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Nevin Manimala Statistics

Quality of life in patients with a subcutaneous versus transvenous implantable cardioverter-defibrillator

Kardiol Pol. 2022 Apr 27. doi: 10.33963/KP.a2022.0110. Online ahead of print.

ABSTRACT

BACKGROUND: The implantable cardioverter-defibrillator (ICD) and subcutaneous cardioverter-defibrillator (S-ICD) are well-accepted life-saving devices for potentially lethal ventricular arrhythmia but little is known about quality of life (QoL) in patients with S-ICD and ICD.

AIMS: The aim of our study was to compare QoL of patients with S-ICD and ICD.

METHODS: All consecutive patients who have had S-ICD implanted between October 2015 and September 2021 were included to the study. A cohort of TV-ICD patients was matched to S-ICD subjects by sex, age, indications for the device, and type of prevention. All patients were requested to fulfill two standardized questionnaires to assess QoL: 36-Item Short Form Health Survey (SF-36) and Minnesota Living with Heart Failure Questionnaire (MLHFQ) 6 months after device implantation.

RESULTS: Patients with S-ICD (n = 49) and TV-ICD (n = 49) did not differ regarding baseline characteristics. There were no statistically significant differences between S-ICD and TV-ICD subgroup, both for mental and physical QoL assessed in SF-36 and MLHFQ (all P = NS). The median MLHFQ total score was 24 (9-41) for S-ICD and 28 (14-43) for TV-ICD (P = 0.83). The median total score for the SF-36 questionnaire was 62.5 (29-86) vs. 59 (38-77) for S-ICD and TV-ICD, respectively (P = 0.78).

CONCLUSIONS: Quality of life after device implantation does not differ significantly between a group of patients with subcutaneous and conventional implantable cardioverter-defibrillator.

PMID:35475461 | DOI:10.33963/KP.a2022.0110

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Dietary Trajectories through the Life Course: Opportunities and Challenges

Br J Nutr. 2022 Apr 27:1-15. doi: 10.1017/S0007114522001295. Online ahead of print.

ABSTRACT

Studying the dynamic patterns of dietary changes or stability (otherwise known as dietary trajectories) across the life course can provide important information about when and in whom to intervene with nutritional interventions. This article reviews evidence from longitudinal studies that describe dietary trajectories through the different life stages, covering early life, adolescence to young adulthood and from mid to late adulthood. Current findings suggest that the establishment of diet patterns likely occurs before 3 years of age and allude to other potential ‘windows of change’ in the life course such as the period 7 – 9 years of age and during the period of adolescence and early adulthood. Examining diets using various diet parameters appears to be valuable in elucidating different aspects of the diet that can be changed to potentially alter trajectories. In adults, examining long-term diet trends at a population level can reveal shifts in eating patterns as countries undergo epidemiological and nutrition transitions, and elucidate the longer-term impact of adherence to particular diets on the development of chronic diseases. While challenges such as the availability of adequate diet data points, consistency in the dietary assessment tools used and the limitations of statistical methods for trajectory modelling remain, integrating diet data with other lifestyle behaviours, high-dimensional biomarkers and genetics data into pattern analyses and examining them from a longitudinal approach opens up potential opportunities to gain deeper insights into diet-disease relationships and support the development of more holistic lifestyle-disease prevention recommendations stratified for population groups.

PMID:35475441 | DOI:10.1017/S0007114522001295

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The role of corticoliberin concentration levels and placental CRH receptors 1 and 2 in the prolongation of pregnancy

Gynecol Endocrinol. 2022 Apr 27:1-5. doi: 10.1080/09513590.2022.2068521. Online ahead of print.

ABSTRACT

OBJECTIVE: To examine the changes in CRH concentrations in the blood serum of pregnant women and in the placenta of patients after the 41st week of gestation, and to determine its influence on the effectiveness of inducing labor and its progress.

MATERIALS AND METHODS: The study group comprised pregnant patients who did not deliver until the 41 week of gestation (n = 114). The control group was divided into two subgroups: patients in whom delivery started spontaneously before the 41st week of gestation (n = 24) and pregnant patients in whom delivery started spontaneously after the 41st week of gestation (n = 23). Blood serum and placenta were obtained from the patients. Corticoliberin originating from blood serum was assessed with the use of ELISA Kit. Parts of the placenta were stained with monoclonal antibodies for the presence of corticoliberin, corticoliberin receptors 1 and 2.

RESULTS: No statistically significant differences were found with regard to corticoliberin concentrations in the blood or during a qualitative assessment of the number of CRH R1 in the placenta between the research groups. However, corticoliberin receptor 2 had a statistically higher expression rate in the control group in which the delivery started spontaneously before the 41st week of gestation.

CONCLUSION: In post-term pregnancy, the up-regulation of CRH R2 receptor is disturbed with no change in CRH R1 expression, which complicates the initiation of labor despite correct corticoliberin levels in both blood serum and the placenta. Pregnancy duration over 41 weeks and the effectiveness of preinducing or inducing labor do not depend on corticoliberin concentrations.

PMID:35475389 | DOI:10.1080/09513590.2022.2068521

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Soluble endoglin versus sFlt-1/PlGF ratio: detection of preeclampsia, HELLP syndrome, and FGR in a high-risk cohort

Hypertens Pregnancy. 2022 Apr 27:1-14. doi: 10.1080/10641955.2022.2066119. Online ahead of print.

ABSTRACT

The angiogenic factors sFlt-1 and PlGF play an established role in the detection of preeclampsia (PE). Recent data suggest that sEng might contribute to the pathogenesis of PE. However, only a few studies so far have addressed its role.This monocentric cross-sectional study of high-risk pregnancies aims to compare the levels of sFlt-1/PlGF ratio and sEng depending on different placental-related adverse pregnancy outcomes. The statistical analysis takes into account Pearson’s correlation coefficient between angiogenic factors, the area under the curve estimates (AUCs) for detection, and adjusted odds ratios (aOR) with 95% confidence intervals (95%-CIs). The analysis included 206 patients: 60 controls, 90 PE (59 EOPE, 35 LOPE), 94 FGR, and 35 HELLP cases. Some outcomes overlapped because FGR commonly complicated PE and HELLP syndrome. Serum levels of sFlt-1/PlGF and sEng correlated with each other. Higher levels were observed in HELLP syndrome and EOPE cases. AUCs for sFlt-1/PlGF ratio and sEng were, respectively, 0.915 (95%-Cl 0.87-0.96) and 0.872 (95%-Cl 0.81-0.93) in PE, 0.895 (95%-Cl 0.83-0.96) and 0.878 (95%-Cl 0.81-0.95) in HELLP syndrome, 0.891 (95%-Cl 0.84-0.94), and 0.856 (95%-Cl 0.79-0.92) in FGR.aORsfor sFlt-1/PlGF ratio and sEng were, respectively: 2.69 (95%-Cl 1.86-3.9) and 2.33 (95%-Cl 1.59-3.48) in PE, 2.38 (95%-Cl 1.64-3.44) and 2.28 (95%-Cl 1.55-3.4) in FGR, and 2.10 (95%-Cl 1.45-3.05) and 1.88 (95%-Cl 1.31-2.69) in HELLP syndrome. In addition, the aORs between sFlt-1/PlGF and sEng were very similar but higher for PE and FGR than HELLP syndrome.In conclusion,sEng performed similarly to sFlt-1/PlGF to detect placental dysfunctions.

PMID:35475405 | DOI:10.1080/10641955.2022.2066119

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Assessment of the association between TNIP1 polymorphism with clinical features and risk of systemic lupus erythematosus

Lupus. 2022 Apr 27:9612033221094706. doi: 10.1177/09612033221094706. Online ahead of print.

ABSTRACT

OBJECTIVE: Over the past decades, TNIP1 has been identified as a strong risk locus in multiple genome-wide association studies (GWAS), spanning multiple populations and various autoimmune diseases. TNIP1 is a polyubiquitin-binding protein that works as a physiological inhibitor of NF-κB and maintains immune homeostasis. Some studies have confirmed that TNIP1 is downregulated in autoimmune diseases such as rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). In the current study, for the first time, we evaluated the possible association between rs6889239 polymorphism in the TNIP1 gene with the risk and clinical characteristics of RA and SLE in the Iranian population.

METHOD: In this case-control study, 115 patients with RA, 115 patients with SLE, and 115 unrelated healthy subjects were enrolled to estimate rs6889239 genotypes with real-time PCR high resolution melting (HRM) method.

RESULTS: Our results demonstrated considerable associations between CC genotype and C allele of rs6889239 with augmented risk of SLE (OR for CC genotype= 2.23; 95%CI [1.175-4.307], OR for C allele= 1.84; 95%CI [1.254-2.720]). However, there was an insignificant association between genotypes and allele frequencies of rs6889239 with the occurrence risk of RA in the population under study (p > 0.05). Additionally, stratification analysis specified that the C allele in rs6889239 was linked with the incidence of renal involvement in SLE patients and lower age of onset in the RA group (p < 0.05).

CONCLUSION: These findings propose a significant association between TNIP1 polymorphism and higher risk of SLE and some clinical characteristics of RA and SLE.

PMID:35475371 | DOI:10.1177/09612033221094706

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Predicting behavioural intentions towards medication safety among student and new graduate nurses across four countries

J Clin Nurs. 2022 Apr 26. doi: 10.1111/jocn.16330. Online ahead of print.

ABSTRACT

AIMS AND OBJECTIVES: To identify final-year undergraduate students and new graduate nurses’ behavioural intentions towards medication safety across four countries.

BACKGROUND: Medication errors are a common and avoidable occurrence, being costly for not only patients but also for health systems and society.

DESIGN: A multi-site cross-sectional study.

METHODS: A self-administered survey was distributed to students and new graduate nurses in South Africa, India, Turkey and Australia. Descriptive statistics were calculated for all survey items. Multiple linear regressions were performed to predict behavioural intentions using the three Theory of Planned Behaviour constructs: attitudes, behavioural control and subjective norms. This study adheres to the STROBE guidelines.

RESULTS: Data were analysed for 432 students and 576 new graduate nurses. Across all countries, new graduate nurses reported significantly higher scores on all the TPB variables compared with student nurses. Attitudes towards medication management were found significantly and positively related to intention to practice safe medication management for both student and new graduate nurses. Total perceived behavioural control was significantly and negatively related to intention to practice safe medication management for students.

CONCLUSION: Student and new graduate nurses showed favourable attitude, subjective norm, perceived behaviour control and intention in practising medication safety. However, differences in countries require further exploration on the factors influencing attitudes towards medication safety among student nurses and new nurse graduates.

RELEVANCE TO CLINICAL PRACTICE: Understanding student and new graduate nurses’ medication administration practices is important to inform strategies aimed at improving patient safety. The findings of this study highlight the need for an internationally coordinated approach to ensure safe medication administration by student and new graduate nurses.

PMID:35475307 | DOI:10.1111/jocn.16330

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Preoperative and intraoperative factors predictive of complications and stricture recurrence following multiple urethroplasty techniques

BJUI Compass. 2021 Mar 10;2(4):286-291. doi: 10.1002/bco2.83. eCollection 2021 Jul.

ABSTRACT

OBJECTIVES: To investigate factors predictive of postoperative recurrence and complications in patients undergoing urethroplasty for stricture repair at a single center.

PATIENTS AND METHODS: We retrospectively reviewed the records of 108 men who underwent urethroplasty for urethral stricture disease (USD) at a single center from 2016 to 2020. Demographic data, comorbidities, stricture history including etiology and prior treatments, patient-reported symptoms, and outcomes data were collected for analysis. Data were analyzed in aggregate, then, stratified by type of urethroplasty performed. Descriptive statistics, univariate analysis, multivariate logistic regression, and intergroup comparisons were completed using STATA, with an alpha value of 0.05 and a confidence interval of 95%.

RESULTS: The median age of our patients was 58 years (interquartile range: 42-69; range: 29-83), with a median stricture length of 2.0 cm (interquartile range: 1.0-4.5; range: 0.5-10). The most common stricture etiology was iatrogenic (n = 33, 31%) and the most common urethroplasty was anterior anastomotic urethroplasty (n = 38, 35%), followed by buccal mucosal graft (BMG) urethroplasty (n = 35, 32%). Twenty-four patients (22%) had stricture recurrence. Within the aggregate data, recurrence was significantly predicted by obesity (BMI > 30) (Odds Ratio [OR] 3.2, 95% Confidence Interval [CI]: 1.06-10), and the presence of postoperative complications (OR 6.3, CI: 1.9-21). The presence of any postoperative complications within 90 days was significantly predicted by stricture length ≥ 5 cm (OR 3.5, CI 1.09-12) and recurrence (OR 6.0, CI 1.7-21).

CONCLUSION: Despite serving as the most definitive treatment for urethral stricture management, stricture recurrence and postoperative complications are not uncommon after urethroplasty. Obesity and stricture length negatively impact outcomes while a penile stricture location is associated with a lower recurrence rate, though this is not statistically significant.

PMID:35475301 | PMC:PMC8988843 | DOI:10.1002/bco2.83

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The Effect of Teprotumumab on Eyelid Position in Patients with Thyroid Eye Disease

Plast Reconstr Surg Glob Open. 2022 Apr 22;10(4):e4287. doi: 10.1097/GOX.0000000000004287. eCollection 2022 Apr.

ABSTRACT

Teprotumumab has been shown to improve proptosis and clinical activity scores (CAS) in patients with thyroid eye disease, but little has been published regarding its effects on eyelid retraction. The purpose of this work was to evaluate changes in eyelid position in thyroid eye disease patients after teprotumumab. Eight patients completed eight cycles of teprotumumab. Data collected included exophthalmometry; clinical activity scores; margin reflex distance (MRD) 1; MRD2; and pre-, during, and posttreatment photographs. ImageJ analysis was also used to evaluate eyelid position in photographs. Proptosis significantly improved in 15 of 16 orbits [mean 4.75 ± 2.07 mm reduction (P = 0.0001) in study orbits and mean 3.00 ± 2.14 mm reduction (P = 0.0048) in nonstudy orbits]. CAS was significantly reduced (pretreatment mean 4.88 mm and posttreatment mean 1.88 mm, P = 0.006). MRD1 decreased in 11 of 16 orbits and increased in five orbits (P = 0.18 in study orbits and P = 0.22 in nonstudy orbits). MRD2 decreased in six of 16 orbits and increased in eight orbits (P = 0.49 in study orbits and P = 0.43 in nonstudy orbits). Patients exhibited variable changes in eyelid position with teprotumumab. There was a statistically insignificant decrease in MRD1 after teprotumumab. Proptosis reduction led to unpredictable changes in MRD1 and MRD2. Severity of eyelid retraction did not correlate with clinical activity score response to teprotumumab. There are inherent difficulties in evaluating eyelid position in thyroid eye disease, which may necessitate a paradigm shift in how patients are examined, measured, and photographed.

PMID:35475287 | PMC:PMC9029877 | DOI:10.1097/GOX.0000000000004287

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Outcome of tubeless percutaneous nephrolithotomy in elder patients: A single-center experience from a developing country

J Clin Transl Res. 2022 Mar 19;8(2):160-165. eCollection 2022 Apr 29.

ABSTRACT

BACKGROUND: Percutaneous nephrolithotomy (PCNL) has evolved as a standard procedure to treat large-sized renal stones. A nephrostomy tube is used frequently in this procedure; however, data regarding tubeless PCNL procedures in elder patients is scarce.

AIM: The aim of this study was to review the results and outcomes associated with tubeless PCNL procedures in the elderly population.

MATERIALS AND METHODS: A retrospective review of patients aged ≥60 years at our hospital that was treated for renal stones by PCNL procedure. The patients were separated into two groups: Group 1 underwent tubed PCNL procedures and Group 2 received tubeless PCNL procedures. Information regarding variables were recorded in specified pro forma and then processed in Statistical Package for the Social Sciences statistics analyses. Statistical tests were utilized for continuous and categorical variables and a P<0.05 was considered statistically significant.

RESULTS: 121 patients with a mean age of 65±5 years were included in the analysis. Mean stone size and body mass index were 3.4±1.5 cm and 26.2±4.3 kg/m2, respectively. Mean operative time was longer in tubed PCNL as compared to the tubeless group. Mean hospital stay was similar among the tubed and tubeless PCNL treated groups. Mean analgesic doses were significantly lower in the tubeless group. The overall stone-free rate was 89/121 patients (74%).

CONCLUSION: Tubeless PCNL can be safely undertaken in geriatric patients and has potential advantages associated with shorter operative times and reduced necessity for analgesia.

RELEVANCE FOR PATIENTS: Tubeless PCNL is considered advantageous as it can reduce post-operative pain and analgesia necessity; shorten hospitalization and lower cost in young patients. However, there is no clear evidence with reference to virtue of tubeless PCNL in the elderly age groups. This study will analyze and review results and outcomes associated with tubeless PCNL in a cohort of elderly patients.

PMID:35475270 | PMC:PMC9036081

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Expanding the Classic Facial Canons: Quantifying Intercanthal Distance in a Diverse Patient Population

Plast Reconstr Surg Glob Open. 2022 Apr 22;10(4):e4268. doi: 10.1097/GOX.0000000000004268. eCollection 2022 Apr.

ABSTRACT

BACKGROUND: The intercanthal distance (ICD) is central to our perception of facial proportions, and it varies according to gender and ethnicity. Current standardized reference values do not reflect the diversity among patients. Therefore, the authors sought to provide an evidence-based and gender/ethnicity-specific reference when evaluating patients’ ICD.

METHODS: As per the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, a systematic search of PubMed, Medline, and Embase was carried out for studies reporting on the ICD. Demographics, study characteristics, and ICDs were extracted from included studies. ICD values were then pooled for each ethnicity and stratified by gender. The difference between men and women, and that across ethnicities and measurement types were compared by means of independent sample t-test and one-way ANOVA (SPSS v.24).

RESULTS: A total of 67 studies accounting for 22,638 patients and 118 ethnic cohorts were included in this pooled analysis. The most reported ethnicities were Middle Eastern (n = 6629) and Asian (n = 5473). ICD values (mm) in decreasing order were: African 38.5 ± 3.2, Asian 36.4 ± 1.6, Southeast Asian 32.8 ± 2.0, Hispanic 32.3 ± 2.0, White 31.4 ± 2.5, and Middle Eastern 31.2 ± 1.5. A statistically significant difference (P < 0.05) existed between all ethnic cohorts, between genders among most cohorts, and between most values stratified by measurement type.

CONCLUSIONS: Our standards of craniofacial anthropometry must evolve from the neoclassical canons using White values as references. The values provided in this review can aid surgeons in appreciating the gender- and ethnic-specific differences in the ICD of their patients.

PMID:35475286 | PMC:PMC9029890 | DOI:10.1097/GOX.0000000000004268