Forensic seismology vis-à-vis an underwater explosion for the Roks Cheonan sinking in the Yellow Sea of the Korean Peninsula
Published on: 18th April, 2023
Most underwater explosions show characteristics of a bubble pulse and reverberation effects. To specifically identify the cause of an underwater explosion, it is most important to find a bubble pulse and reverberation effects using spectral and cepstral analyses. For a very shallow underwater explosion, spectral analysis is preferable to cepstral analysis. Time-domain analyses show bubble pulses as well as positive polarities of the first P-wave arrivals on the vertical component, and frequency-domain spectral analyses also clearly reveal the bubble pulse and reverberation effects. This study includes comparative studies including a Russian underwater nuclear explosion and US Navy shock trials. The ROKS Cheonan sinking was a shallow underwater explosion that occurred near the surface showing a bubble jet characteristic resulting in splitting the ship into two pieces including a bubble pulse and reverberation effects. The findings of a bubble jet and a toroidal bubble deformation including a bubble pulse are highlighted for a shallow underwater explosion in this study. The ROKS Cheonan sinking took place off the Baengnyeong Island in the Yellow Sea of the Korean Peninsula at a depth of about 8 m in the sea depth of 44 m on March 26, 2010. The explosive charge weight was estimated at 136 kg TNT which is equivalent to one of the abandoned land control mines (LCM) that were deployed near the Northern Limited Lines (NLL) in the Yellow Sea in the late 1970s.
Association between the victim’s menstrual cycle phase and genital injuries following sexual assault
Published on: 2nd May, 2023
Background: It is unknown what effect the menstrual cycle can have on the susceptibility to trauma following sexual assault. Objectives: To compare the incidence of genital injuries following sexual assault in women with relationship to the three phases of the menstrual cycleMethods: The design was a retrospective, cohort analysis set in a community-based nurse examiner program over a five-year study period. Sexual assault victims were between the ages of 13 - 40 years and agreed to a forensic examination. The menstrual cycle was divided into three phases: follicular, luteal and menses phase. The primary outcomes were the frequency and type of genital injuries documented in relation to the different phases of the menstrual cycle.Results: Case files of 1376 cases of sexual assault were reviewed; 682 (49.6%) met the inclusion criteria. A total of 220 victims (32.3%) were in the follicular phase, 361 (52.9%) were in the luteal phase and 101 (14.8%) were in the menses phase. The three groups were comparable in terms of demographics, assault characteristics, and overall frequency of non-genital injuries. Assault victims in the follicular phase of the menstrual cycle had significantly more documented genital injuries (72.3%; 95% CI 66.4 - 78.2) compared to the luteal phase (64.0%; 95% CI 59.0 - 68.9) and the menses phase (58.4%; 95% CI 48.8 - 68.0). Conclusion: Forensic examiners documented more genital injuries in the follicular phase of the menstrual cycle. Sex hormones may have confounding effects through influences on vaginal epithelial and mucosal integrity.
Refractory priapism associated with anti-psychotics. Report of a case for risperidone
Published on: 8th May, 2023
Priapism is a prolonged erection, usually painful, that occurs in the absence of sexual desire or stimulation, is not relieved by masturbation or intercourse and is the consequence of a mismatch in the regulatory mechanisms that initiate penile erection and those that allow its detumescence. One of the main causes of low-flow priapism is the use of drugs with an α-adrenergic antagonist effect, among which antipsychotic drugs stand out. Our objective is to present a clinical case and review the literature on the use of antipsychotics in medicine, psychiatry and other specialties and their relationship with the dose of the psychoactive drug in the onset of priapism. We present a 23-year-old male patient, single, with a significant history of mild Autism, for which he has received regular treatment with 6 mg daily of risperidone. He started experiencing priapism spontaneously for the last 4 days until a family member took him to the Emergency Room – intense, persistent and painful penile erection. Given the failure of the initial medical treatment for priapism, it was decided to perform multiple distal cavernous-cancellous shunts with improvement after 72 hours and discharge of the patient. We understand that there is a high affinity of antipsychotics for the α 1-adrenergic receptor, risperidone has an α 1 antagonist capacity. In fact, the third cause of priapism cases induced by atypical antipsychotics is secondary to risperidone, including recent cases associated with its parenteral depot presentation RisperdalConsta®.
Creatine Supplementation and Akt/mTOR Pathway: Unraveling the Connection for Optimal Muscle Performance
Published on: 14th June, 2023
This review paper investigates the relationship between creatine supplementation and the Akt/mTOR pathway, focusing on their impact on muscle performance. The Akt/mTOR pathway is a crucial signaling pathway that regulates muscle protein synthesis and hypertrophy in response to growth factors, nutrients, and mechanical stimuli. Recent evidence suggests that creatine supplementation can influence anabolic signaling pathways, including the phosphorylation of p70S6K, a downstream target of mTOR, leading to enhanced activation of the Akt/mTOR pathway. Additionally, creatine supplementation has been shown to increase intramuscular creatine and phosphocreatine levels, improving ATP availability during exercise and enhancing high-intensity muscle contractions. Understanding the complex regulatory mechanisms of the Akt/mTOR pathway is vital for optimizing muscle performance, as dysregulated signaling can hinder muscle protein synthesis and hypertrophic responses. This review highlights the potential of creatine supplementation to modulate the Akt/mTOR pathway, offering insights into its mechanisms and implications for muscle performance enhancement. By unraveling this connection, researchers and practitioners can develop targeted strategies to maximize muscle performance and promote adaptive responses in various exercise and athletic contexts.
Prevalence of Musculoskeletal Disorders among Garment Workers: A Cross-Sectional Study in Bangladesh
Published on: 12th July, 2023
Background: The prevalence of musculoskeletal disorders is particularly high among garment workers, which poses a serious occupational health hazard. This issue is not taken seriously as an important issue in low-income countries like Bangladesh.Aim: Determine the prevalence of musculoskeletal conditions (MSDs) among garment workers in nine body regions and explore the relationship between MSDs and the general characteristics of the participants.Materials and methods: A cross-sectional study including 383 garment workers was done. A structured questionnaire (Standardized Nordic Musculoskeletal) was used. Results: The most common form of pain in the last year was lower back pain. Nine anatomical locations were studied, and workers most commonly experienced problems with their lower back (45.4%), upper back (36.6%), and knees (33.2%). Workers reported having more trouble in the knee (31.9%), upper back (35.0%), and lower back (43.9%) regions over the past seven days. In the past year and the last seven days, shoulder injuries were the least common. Conclusion: MSDs are widespread among garment industry employees. The back condition is the most commonly affected. The development of MSD is directly correlated with age and work experience.
Internet Addiction and its Relationship with Attachment Styles Among Tunisian Medical Students
Published on: 13th July, 2023
Internet addiction is a growing addictive behavior and a major public health problem worldwide. Several psychological factors can contribute to the problematic use of the Internet. This study aimed to determine the prevalence of Internet Addiction (IA) in a sample of university students and to examine the relationship between IA, self-esteem, and attachment styles.The present study was a cross-sectional study, involving 135 students from the Faculty of Medicine of Monastir. The participants completed a questionnaire, which contained the socio-demographic data, the reasons for Internet use, the Young Cyberaddiction scale to seek IA, the Relationships-style-questionnaire-RSQ to assess attachment style, and the Rosenberg Self-Esteem Scale (RSES).The mean age of the students was 21.5 ± 1.9 years old. They were 112 (83%) females. The prevalence of Internet addiction was 23.7%. The average connection time was 3.5 ± 1.8 hours/day. The most frequent online activities were chat (online discussion, forums ...) in 94.8% of cases followed by download activities (78.5%), scientific research (75.6%), online games (23.7%), and online shopping (13.3%). IA was associated with school failure, alcohol use, online gaming, and low self-esteem. The majority of the participants (84.4%) in this study reported an insecure attachment style. Logistic regression analysis showed a strong association between IA and fearful attachment style.IA was frequent among students. Fearful attachment style was found to be a risk factor for IA. This study highlights the impact of relationships between child and their caregivers on the development of addiction.
Extracorporeal Membrane Oxygenation in Acute Aluminum Phosphide (AlP) Poisoning
Published on: 28th July, 2023
Introduction: Aluminum Phosphide (AlP) poisoning is a life-threatening condition that commonly occurs in developing countries, often resulting in cardiac, respiratory, and metabolic complications, leading to multi-organ failure and mortality. Extracorporeal Membrane Oxygenation (ECMO) has been proposed as a potential therapy for severe AlP poisoning cases refractory to conventional management, though its use remains controversial. Methodology: for this literature review, we conducted a comprehensive analysis of existing literature concerning the utilization of ECMO in patients with severe AlP poisoning. We meticulously examined available publications to explore the relationship between ECMO initiation and patient outcomes. Discussion: The review reveals that early ECMO initiation within 6 hours of presentation is associated with better outcomes and higher survival rates in severe AlP poisoning cases. However, uncertainties persist regarding the optimal timing and duration of ECMO support, and potential complications, including bleeding, acute renal injury, and ventilator-associated pneumonia, need careful consideration. Conclusion: Despite promising results in certain cases, the risks and benefits of ECMO in AlP poisoning require meticulous evaluation. Ethical considerations, encompassing resource allocation and implications for other patients, necessitate appropriate patient selection criteria.
Betty Neuman System Model: A Concept Analysis
Published on: 4th August, 2023
Introduction: Nursing theories are critical as they drive nursing education, practice, and research. Neuman Systems Model (NSM) considers a person a complete system with integrated psychological, physiological, spiritual, social, and developmental components. Nurses give their patients physical, emotional, and psychological assistance and are subjected to mental and physical pressure due to these responsibilities, impacting their health, psychological well-being, and interpersonal relationships. This paper aims to perform a concept analysis of stressors proposed in NSM about lines of defense and the level of preventive interventions that can affect a person’s well-being. Further, this paper discusses knowledge generation through NSM’s applicability to preventing exhaustion and burnout among nurses. Methodology: This theoretical attempt is carried out using the theory analysis approach suggested by Walker and Avant (2019).Discussion: Nursing is a career that requires a great deal of dedication and personal engagement. Nurses are subjected to recurrent stresses due to technological advances and rising demands. Burnout occurs when nurses get discouraged and have less compassion for the patients due to recurrent burdens. Stress and burnout are two of the most common reasons for nurses to quit hospitals. The NSM is concerned with stresses that may affect a person’s health and well-being (prediction). Nurses assist patients at the most vulnerable and challenging times, such as surgical procedures, traumas and personal and physical losses.Conclusion: The NSM enables the investigation of preventative and protective treatments. Because of the model’s flexibility, it may be used in a wide range of nursing situations. Administrative, hospitals, clinics, and other nurses can benefit from this paradigm. Evaluating the many distinct elements contributing to burnout is also feasible. The model’s client factors of physiological, sociocultural, developmental, and spiritual characteristics are used to achieve this. Viewing the individual as an open system that responds to environmental stimuli encourages the existence of stressors that might lead to burnout.
Quality of Life (QoL) among Pakistani Women with Breast Cancer Undergoing Chemotherapy
Published on: 17th August, 2023
Background: Breast Cancer is the most common cancer in women and the quality of life of women with breast cancer is a significant healthcare issue specifically in developing and underdeveloped countries.Globally quality of Life (QoL) has become an important indicator to measure the outcomes of medical and nursing interventions. The QoL studies have an imperative role in healthcare especially in chronic disease as the latest diagnostic and treatment modalities have increased the survival rates and duration of cancer patients. Similarly, breast cancer itself and its treatment with Chemotherapy, in particular, has many complications and negative impacts on the QoL of cancer women. Aim: The aim of this study was to assess the QoL of Pakistani women with Breast Cancer patients undergoing chemotherapy and the relationship of QoL with socio-demographic variables.Methodology: A descriptive cross-sectional correlational study was conducted on 110 female breast cancer patients undergoing chemotherapy. FACIT-B questionnaire was used to assess the quality of life of these patients. Statistical analysis was done by using SPSS version 20 using the Pearson correlation coefficient, Chi-square test, and Spearman’s rho correlation coefficient. Results: The mean age of participants was (mean ± SD) 42.98 ± 8.98. A significant negative correlation was observed with age and QoL, r = -0.218, p - value 0.022. No significant association was observed between QoL and marital status; education status; and socioeconomic status.Conclusion: The majority of breast cancer women 59(53.6%) had moderate QoL and Chemotherapy also showed moderate impacts on different domains: physical, functional emotional, social, and sexual well-being of the women.
Oculars Pain and Intraocular Hypertension in Hemodialysis Patient with Glaucoma: A Case Report and Review of the Literatures
Published on: 14th August, 2023
Resistance hypertension in hemodialysis patient usually is common and sometimes difficult to get achieved target blood pressure control. In patient with intradialytic hypertension, eye pain may occur which can be relate to the severity of the hypertension itself. Hemodialysis has relationship to Intraocular Pressure (IOP). Hemodialysis was be Increased Intraoccular Pressure (IOP) and may be the cause of eye pain during hemodialysis due to ocular dialysis disequilibrium. And this receives inadequate attention by nephrologist as a cause of intradialytic hypertension. In this article, we report a patient with resistant hypertension who complain of right eye pain during and after dialysis. After anterior chamber tapping and the aqueous humor was drained. The symptoms and hypertension improved. Undetected significant increase in IOP during hemodialysis may lead to permanent optic nerve damage and should be recognized as a cause of hypertension. An interesting point of this report was the intraocular hypertension get worsed in hemodialysis patients and could be a cause of resistance hypertension. We suggest regular ophthalmologic evaluation in ESKD (End Stage Kidney Disease) patients should be necessary especially in the patient with poorly controlled hypertension, have previous glaucoma, diabetic retinopathy, eye pain, blurred vision, conjunctivitis and headache.
Causal Link between Human Blood Metabolites and Asthma: An Investigation Using Mendelian Randomization
Published on: 29th August, 2023
Background: Asthma, a chronic inflammatory respiratory ailment, is characterized by variable airflow obstruction and heightened bronchial reactivity. Despite therapeutic advancements, a comprehensive comprehension of its underlying metabolic mechanisms remains elusive. Metabolomics has emerged as a powerful approach to investigating the complex connections between serum metabolites and disease pathogenesis. However, exploring the causal relationship between serum metabolites and asthma susceptibility demands meticulous examination to unveil potential therapeutic targets.Methods: Mendelian randomization (MR) approach was explored to investigate the potential causal associations between serum metabolites and asthma risk. The main analysis employed the inverse variance weighted method, supported by supplementary approaches such as MR-Egger, weighted median, weighted mode, and sample mode. To enhance the strength and credibility of our results, we conducted sensitivity analyses encompassing heterogeneity testing, assessment of horizontal pleiotropy, and leave-one-out analysis. Additionally, pathway enrichment analysis was performed to further elucidate the results.Results: We identified 18 known and 12 unknown metabolites with potential associations with asthma risk. Among known metabolites, seven exhibited protective effects (e.g., 4-acetamidobutanoate, allantoin, kynurenine, oxidized bilirubin*), while eleven were considered risk factors (e.g., ornithine, N-acetylornithine, alanine). Through the integration of four additional MR models and sensitivity analyses, we revealed a connection between 4-acetamidobutanoate and approximately 6% lower asthma risk (OR = 0.94, 95% CI: 0.90–0.98).Conclusions: Our MR analysis uncovered protective and risk-associated metabolites, alongside 12 unknown metabolites linked to asthma. Notably, 4-acetamidobutanoate demonstrated a nominal 6% reduction in asthma risk, highlighting its potential significance.
Intersecting Pathways: Examining Hildegard Peplau's and Rosemarie Parse's Nursing Theories through a Comparative Lens
Published on: 12th September, 2023
Background: Nursing theories are organized bodies of knowledge providing a way to define nursing as a unique discipline that is separate from other disciplines. As a profession, nursing is committed to recognizing its own unparalleled body of knowledge vital to nursing practice and science. Nursing is a science based on the theory of what nursing is, what nurses do, and why.Aim: This paper aims to elucidate the practical application of Hildegard Peplau's and Rosemarie Parse's nursing theories, individually and in synthesis, in modern nursing practice. Key points: These include a) Hildegard Peplau's Theory of Interpersonal Relations emphasizes the nurse-patient relationship, therapeutic communication, and the continuous search for improvement in patients, even those facing mental health challenges. b) Rosemarie Parse's Theory of Human Becoming underscores the uniqueness of each patient's lived experiences, the significance of "meaning" in health experiences, "rhythmicity" in patterns, and the potential for "transcendence" and growth. c) Integrating Peplau's and Parse's theories promotes holistic patient-centered care, compassionate and empathetic nursing, enhanced communication skills, patient autonomy, cultural competence, continuity of care, and a deep respect for human dignity. d) By embracing both theories, nurses can provide comprehensive, compassionate, and patient-centered care that respects each patient's individuality and capacity for growth.Conclusion: The synthesis of Hildegard Peplau's and Rosemarie Parse's nursing theories offers nurses a comprehensive framework for modern nursing practice. It guides nurses in providing high-quality, patient-centered care that preserves human dignity and recognizes the uniqueness of each patient. Drawing from multiple theoretical perspectives enhances nursing practice and ensures the well-being of patients in today's evolving healthcare landscape.
Relationship between the Level of Spirituality and Blood Pressure Control among Adult Hypertensive Patients in a Southwestern Community in Nigeria
Published on: 19th September, 2023
Background: Spirituality has been strongly associated with good blood pressure control as it forms a strong coping mechanism in hypertensive patients. This hospital-based cross-sectional study was done to determine the relationship between spirituality and blood pressure control among adult hypertensive patients in rural Southwestern Nigeria to achieve good blood pressure control.Method: The selection was done by systematic random sampling technique. Socio-demographic and clinical information were obtained through semi-structured interviewer-administered questionnaires. The level of spirituality was assessed using the Spiritual Perspective Scale. Data were analysed using the Statistical Package for Social Sciences version 20.0. Statistical significance was set at p ≤ 0.05.Results: The mean age of the respondents was 61.1 ± 11.1 years. More than half (52.6%) had a high level of spirituality and more than two-thirds (67.1%) of respondents had controlled blood pressure. Respondents with a high level of spirituality were 4.76 times more likely to have good blood pressure control {p < 0.001, 95% CI (1.05-14.99)} than those with a low level of spirituality. Conclusion: Proper understanding and effective utilization of this relationship will assist health professionals and researchers in the appropriate integration of this concept into patients’ holistic care with the aim of achieving better blood pressure control among hypertensive patients.
Cleat-surface Interface and Lower Extremity Injuries
Published on: 28th September, 2023
Non-contact injuries with playing surfaces occurring from applied player impact and frictional forces are a major source of lower extremity injuries in competitive sports. Artificial playing surfaces are a common alternative to natural grass surfaces; however, these surfaces are associated with player injury as well. The purpose of this manuscript is to explore the existing literature on the relationship between cleat surface interface and lower extremity injuries in athletes and the importance of proper playing surface conditions alongside proper cleat selection to optimize injury prevention and athletic performance. As artificial turf has become more advanced, studies have shown the rates of lower extremity injuries of the knee, ankle, and foot have decreased to be more similar to the rate of injury on natural grass. However, foot and ankle injury rates remain significantly higher on artificial turf. Furthermore, certain studies continue to demonstrate an increased rate of knee injuries in football players, suggesting that significant performance differences still exist between artificial turf and natural grass. Future studies warrant focusing on ways to improve the cleat-surface interface of new-generation turf, emphasizing proper cleat selection, and playing surface conditions for injury prevention thus optimizing athletic performance.
Laser Doppler Flowmeter as a Periodontal Evaluation Method: A Clinical Pilot Study
Published on: 9th October, 2023
Background and objectives: Periodontal disease, as an inflammatory pathology, induces hemodynamic changes that can be evaluated by different unbiased methods such as laser Doppler flowmetry. This clinical investigation assesses laser Doppler as a non-invasive procedure to monitor gingival vascularization and its potential relationship with the response to treatment of periodontal disease.Materials & methods: 45 sites of white Spanish patients with active periodontitis undertake a complete periodontal analysis. This included periodontal pathogens identification along with the monitoring of the gingival margin microvascularization using a Doppler laser at the points exhibiting the most periodontal damage. All assessments were performed before and after periodontal combined treatment PCT (scaling, root planing, and antibiotic therapy prescription) (n = 45 sites).Results: Parameters of periodontal disease showed a positive correlation with pathogen levels. Blood flow readings decreased significantly after PCT (p < 0,05), although this parameter was not statistically correlated with periodontal nor microbial assessments in a significant range.Conclusion: Laser Doppler is a complementary method of monitoring periodontal inflammation to traditional techniques of clinical periodontal evaluation. Further studies are necessary to determine its usefulness as a predictive method of periodontal disease evolution.
Challenges of Novice Nurse Educators’ Transition from Clinical Practice to Academia in Ghana: A Qualitative Study
Published on: 27th November, 2023
Background: The recruitment of experienced clinical nurses into vacant faculty positions is a global strategy for preparing, employing, and retaining competent nurse educators. As clinical nurses transition to academia, many struggle with unique challenges that affect their adaptation to the academic setting. Thus, understanding novice nurse educators’ transitional challenges is critical to addressing this threat. Aim: This study aimed to explore the challenges of novice nurse educators’ transition from clinical practice to academia in Ghana. Methods: A descriptive qualitative study design was employed for this study. A purposive sampling technique was used to recruit 12 novice nurse educators from three health training institutions in the Upper East Region of Ghana. A semi-structured interview guide was used to collect data through in-depth individual interviews. The interviews were audio-recorded, transcribed verbatim, and thematically analyzed.Results: Four themes emerged: poor administrative support, poor preparation, increased workload and stress, and role ambiguity. Novice nurse educators lacked formal orientation, formal mentorship, formal education in teaching, and post-graduate education. Novices were also challenged by increased workload and role ambiguity. Conclusion: Supporting novice nurse educators' transition from clinical practice would be better served by college administrators’ creation and implementation of formal orientation and mentorship programs.
To Examine the Effects of Risk Factors Associated with Kidney Stones in Determining the Disease by Considering their Combinations
Published on: 28th November, 2023
Aim: Kidney stone disease, which can affect people of all ages and whose incidence increases day by day, is becoming a public health problem due to treatment costs. This study aims to determine how factors related to kidney stones affect the diagnosis of the disease when taken together, rather than determining their relationship with the disease one by one.Materials and methods: An open-access dataset containing kidney stone status and associated factors was used in the study. Mann Whitney U test and independent sample t-test were used in data analysis. Logistic regression was performed with the backward variable selection method to determine the factors associated with kidney stones. ROC analysis was used to determine the power of the variables that were significant as a result of logistic regression analysis, individually and together, in discriminating kidney stones.Results: According to the results of logistic regression analysis, gravity, cond, and urea calc variables were found to be associated with kidney stones. With ROC analysis, it can be said that urea, calc, and gravity variables with AUC values above 0.60 can distinguish kidney stones. When the combinations of these variables are examined, the AUC values of the binary combinations are between 0.734 and 0.759, while the AUC value obtained for the triple combination is 0.831.Conclusion: According to the results obtained from the article, it can be said that while the factors associated with the disease and used in the diagnosis have little effect on the diagnosis of the disease alone based on the AUC values obtained from the ROC analysis, it can be said that considering them together increases the accuracy in diagnosis. Therefore, considering the factors thought to be associated with the disease together may be more appropriate in diagnosis and may give more accurate results.
Acceptance of Oral Sex among High School Students in Budapest: Incidence and Correlates
Published on: 4th December, 2023
Introduction: Adolescents and young adults often engage in oral sex. However, the factors affecting the development of agreeing with oral sex are not clear enough.Objective: We aimed to assess the degree of agreement with oral sex among high school students and to search for background factors affecting this.Material and method: We conducted a quantitative cross-sectional study among 157 females and 38 male high school students over the age of eighteen by using an anonymous, paper-based, multiple-choice, self-administered questionnaire. For statistical analysis, we used descriptive statistics, two-sample t-tests, and Spearman rank correlation. Results: Of the respondents 67.9% were sexually active and 31.6% of them had more than one sexual partner. Of males 97.1% and of females 84.9% agreed with accepting oral sex. Degree of agreement with oral sex was higher in those who had had partnered sexual experience, and in those females who more frequently met close friends outside of school. Most participants were not in a current relationship with a partner, and for those who were, its duration did not affect the degree of accepting oral sex. The degree of agreement with the proficiency in male sexuality, and the degree of agreement with those dimensions of sexuality that most expressed the sexual drive and the desire to gratify it with the partner showed the strongest positive correlation with the degree of agreement with oral sex. In addition, the degree of agreement with the items of expressing sexual openness showed correlations with the degree of accepting oral sex. Conclusion: The degree of agreement with oral sex is high among high school students. Among the factors influencing this, the intensity of meeting friends seems to be important. We therefore recommend that the schools improve sex education in groups, highlighting the risks of oral sex, to reach the target individuals and their friends as well as their potential partners.
Stable COPD Picture through Exhaled Breath Condensate, Questionnaires and Tests. A Proof of Concept Study
Published on: 5th December, 2023
Background: Changes in lung structures persist in stable Chronic Obstructive Pulmonary Disease (COPD), but their correlation with the clinical picture remains unclear. The purpose of this study was to assess the stable COPD picture via the relationship between exhaled breath condensate (EBC) particle concentration and the Saint George Respiratory Questionnaire (SGRQ), COPD Assessment Test (CAT), and six-minute walking test (6 MWT). Methods: 12 stable COPD and 12 healthy subjects participated in the study. The EBC was collected with Rtube and analyzed using the Accusizer FxNano. Particle concentration was measured and correlated with the findings of the tools used to assess the health status and functional profile of COPD. The results’ analysis was performed with the Spearman’s test and the Mann-Whitney U - test.Results: The COPD group presented a worse picture of health status and functional profile compared to the healthy group. Correlations were observed between components of the SGRQ and CAT. The two groups presented similar levels of EBC particle concentrations, but the number of small particles was higher in COPD subjects. A correlation of the EBC particle concentration with the activity and total score of the SGRQ was only observed in the healthy group. Conclusion: The total particle number was similar in the COPD and healthy groups. A few correlations between the EBC particles and tools used were also observed. The use of EBC particle concentration to monitor COPD status cannot be claimed with confidence because of the small sample size. Further research is necessary, particularly in large-scale groups.
Success, Survival and Prognostic Factors in Implant Prosthesis: Experimental Study
Published on: 19th December, 2023
The primary objective of this study was to detect the success and short-term survival rate of dental implant prosthetic therapy. The valuation of a possible relationship between the general and local clinical conditions of the patients (presence of risk factors and type of dental implant-supported prosthesis) and the satisfaction perceived by the patient, with success and survival of implant devices was investigated.The sample trial consisted of 23 patients, for a total of 50 dental implants supporting a prosthetic therapy. Preliminarily, an analysis of averages and frequencies of the anamnestic data was presented, as numbers and percentages. The implant success rate was calculated by assessing whether the implants fulfilled the success criteria defined by the Pisa Consensus Conference. The ANOVA test was used to check whether there was an association between the success of the implant device, the anamnestic data collected, and the type of prosthesis supported by the implants. Finally, the survival rate was calculated using the Kaplan - Meier method.The 2-year success rate of 50 implants was assessed at 98%. The 2-year survival rate was 97%. Finally, sex, age, compensated diabetes, a smaller and equal number of cigarettes per day (10 per day), the BOP, and the type of titanium dental implants supported by prosthesis, do not determine a change in success and are therefore not adequate parameters to predict the outcome of implant success. Following the results obtained, it is appropriate to continue the research by expanding the clinical observation times in order to obtain more solid scientific and clinical evidence.
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