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Nevin Manimala Statistics

A novel technique for moderate to severe intrauterine adhesions: A historical cohort study

Medicine (Baltimore). 2022 Sep 9;101(36):e30480. doi: 10.1097/MD.0000000000030480.

ABSTRACT

To evaluate the feasibility and efficiency of our novel technique, ultrasound guided hysteroscopic catheter dilation (US-HCD), for the treatment of moderate to severe intrauterine adhesion (IUA). A total of 126 patients diagnosed with IUA and met the enrollment criteria were admitted in this historical cohort study from June 1, 2016 to December 31, 2018. All patients were divided into 2 groups according to the surgical techniques used. Group A (n = 68) were treated with traditional hysteroscopic adhesiolysis with scissors (THA) and Group B (n = 58) were treated with US-HCD. Their data for the next 2 years following the initial surgery were analyzed. Safety and feasibility (operation time, surgical complications and the third-look hysteroscopic surgery rate), and post-operation efficacy (reduction of American Fertility Society [AFS] scores, pregnancy and live birth rates) were evaluated between groups. Between the groups, there was no statistically significant differences in basic preoperative information and AFS scores (P > .05). While there were significant differences in the operation time of the initial surgery (P < .05) and reduction of AFS scores (P < .05). No surgical complications were recorded and only 3 patients (5.2%) received a third-look hysteroscopy in Group B, while there were 6 cases of complications and 13 cases (19.1%) of third-look hysteroscopy in Group A, indicating significant differences between Groups (P < .05). Both groups exhibited comparable pregnancy rate, live birth rate and obstetric complications (P > .05). Our new technique is a safe, feasible and effective procedure for moderate to severe IUA patients, which can be mastered more quickly and easily by surgeons and applied in areas with less affluent economy and without hysteroscopic scissors, thus worthy of further study.

PMID:36086753 | DOI:10.1097/MD.0000000000030480

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Clinical utility of skin perfusion pressure measurement in diabetic foot wounds: An observational study

Medicine (Baltimore). 2022 Sep 9;101(36):e30454. doi: 10.1097/MD.0000000000030454.

ABSTRACT

The degree of blood vessel stenosis significantly influences diabetic foot treatment. This study aimed to investigate the association between computed tomography angiography (CTA) stenosis and skin perfusion pressure (SPP), which are noninvasive vascular assessments used to evaluate diabetic foot wounds. Forty patients who reported diabetic foot wounds between November 2016 and December 2017 were included in the study. SPPand CTA were performed to evaluate the blood flow, and the rate of decrease in wound size was measured for the wounds corresponding to Meggitt-Wagner grade 1 at the first evaluation and 4-week intervals. The P value of the association between the degree of CTA stenosis and the SPP value was 0.915, and the P value of the association between CTA stenosis and decreasing rate of wound size was .235. There was no statistically significant association between SPP and the decreasing rate of wound size according to the degree of CTA stenosis. The association between SPP value and the decreasing rate of wound size was statistically significant (P < .05). The decreasing rate in diabetic foot wound size was significantly associated with SPP but not with CTA stenosis.

PMID:36086746 | DOI:10.1097/MD.0000000000030454

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Association between use of antacid medications (proton pump inhibitors and histamine-2 receptor antagonists) and the incidence of lung cancer: A population-based cohort analysis

Medicine (Baltimore). 2022 Sep 9;101(36):e30399. doi: 10.1097/MD.0000000000030399.

ABSTRACT

This study investigated the association between antacid administration and lung cancer incidence in a real-world setting. This was a nationwide, retrospective cohort study. The cohort comprised random samples (n = 1,031,392) from the entire South Korean population in 2002. The duration of antacid administration between January 2006 and December 2010 was recorded for each participant. Newly developed lung cancers were counted during the 5-year observation period (January 1, 2006 to December 31, 2010). A total of 437,370 participants aged ≥ 40 years were included, of whom 301,201 (68.9%) had antacid exposure before the diagnosis of lung cancer. A total of 1230 (0.28%) antacid-exposed patients developed lung cancer. Among patients with no antacid exposure or underexposure (n = 136,171), 597 (0.44%) developed lung cancer. In the multivariable analysis, antacid exposure before the diagnosis of lung cancer was independently associated with a reduced incidence of lung cancer (hazard ratio: 0.64; 95% confidence interval: 0.55-0.74; P < .001). Antacid use might be independently associated with a decreased risk of lung cancer development in this cohort study.

PMID:36086741 | DOI:10.1097/MD.0000000000030399

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Association of venous thromboembolism between hydrophilic and lipophilic statin users among diabetic subjects

Medicine (Baltimore). 2022 Sep 9;101(36):e30542. doi: 10.1097/MD.0000000000030542.

ABSTRACT

This retrospective analysis aimed to compare the risk of venous thromboembolism (VTE) between patients with diabetes mellitus who received hydrophilic statin treatment to those who receive lipophilic statin. There were 6639 patients receiving hydrophilic statin therapy and 10,854 patients receiving lipophilic statin therapy in the study. The hazard ratios and 95% confidence intervals for VTE were estimated using univariate and multivariate Cox proportional hazards models when the study cohorts were compared. Among all patients, the incidence rate of VTE was 4.27 per 1000 person-years in the control cohort, 4.18 per 1000 person-years in the hydrophilic statin use cohort, and 3.91 per 1000 person-years in the lipophilic statin use cohort. After adjusting for age, sex, and comorbidities, the risk of VTE in the hydrophilic statin use cohort was 0.90 (0.72, 1.12) lower than that in the control cohort, the risk of VTE in the lipophilic statin use cohort was 0.87 (0.72, 1.05) lower than that in the control cohort, and the risk of VTE in the lipophilic statin use cohort was 0.97 (0.78, 1.21) lower than that in the hydrophilic statin use cohort. However, all were not statistically significant. Our result showed that there was no significant difference among the study cohorts regarding the outcome of VTE.

PMID:36086736 | DOI:10.1097/MD.0000000000030542

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Imaging findings of pulmonary contusions on multidetector CT: A retrospective study comparing adults and children

Medicine (Baltimore). 2022 Sep 9;101(36):e30498. doi: 10.1097/MD.0000000000030498.

ABSTRACT

To describe imaging findings of pulmonary contusions (PC) in adults and children using multidetector computed tomography (CT) scanners. We conducted a retrospective single center study. All chest multidetector computed tomography (MDCT) scans of victims of blunt trauma admitted to the emergency unit of a reference trauma center of Brazil between January 2015 and December 2016 were reviewed in search of opacities compatible with PC. The CT images were analyzed in conjunction with medical records, that provided demographic and clinical data. The obtained data were analyzed in the overall population and comparing children and adults. Significant P value was defined as <.05. 52.7% of patients presented bilateral opacities. Middle third, posterior and peripheral portions of the lungs were more frequently affected, in the craniocaudal, anteroposterior and axial axes, respectively. A vast majority of patients (80.6%) presented multiple opacities, whereas a minority showed subpleural sparing (26.9%) and fissure crossing (22.6%), with similar frequencies in children and adults. Children, although, more frequently presented consolidation and more diffuse lesions in the anteroposterior axis compared to adults, with statistically significant differences. PC usually are multiple and predominate in middle, posterior and peripheral portions of the lungs. Subpleural sparing and fissure crossing seems to be infrequent and have similar frequencies between children and adults. Although, there are differences between these age groups, as younger people tend to have more consolidation and diffuse opacities in the anteroposterior axis than older ones.

PMID:36086733 | DOI:10.1097/MD.0000000000030498

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Neurotransmitter release cycle-related genes predict the prognosis of lung adenocarcinoma

Medicine (Baltimore). 2022 Sep 9;101(36):e30469. doi: 10.1097/MD.0000000000030469.

ABSTRACT

Because of the limitations of therapeutic approaches, patients suffering from lung adenocarcinoma (LUAD) have unsatisfactory prognoses. Studies have shown that neurotransmitters participated in tumorigenesis and development. In LUAD, the expression of neurotransmitter release cycle-related genes (NRCRGs) has been reported to be disordered. This study aimed to study the correlation between NRCRGs and LUAD. In this study, based on the Cancer Genome Atlas cohort, consensus clustering analyses were performed on ten neurotransmitter release cycle-related (NRCR) differentially expressed genes. Neurotransmitter release cycle (NRC) scores were derived by the Least Absolute Shrinkage and Selection Operator-Cox regression model constituted by 3 NRCRGs. Univariate and multivariate Cox regression analyses were performed to evaluate the prognosis value of the NRC score. In addition, single-Sample Gene Set Enrichment Analysis and CIBERSORT were conducted in the Cancer Genome Atlas cohort. Finally, gene ontology and Kyoto Encyclopedia of Genes and Genomes analyses were also performed. As a result, the NRC-low group showed a good prognosis instead of the NRC-high group. NRC score was identified to be an independent prognosis factor for LUAD. In general, the NRC score based on the prognostic model was found to be closely correlated with immunotherapy-related anti-cancer immunity and inflamed tumor microenvironment. Functional enrichment results demonstrated that differentially expressed genes between 2 NRC groups were closely correlated with DNA replication, cell-substrate adhesion, Golgi vesicle transport, MAPK signal pathway, and many others. Novel biomarkers were offered for predicting the prognoses of LUAD patients. The NRC score might contribute to guiding LUAD patients with immunotherapy selection.

PMID:36086730 | DOI:10.1097/MD.0000000000030469

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Stress levels of nursing students: A systematic review and meta-analysis

Medicine (Baltimore). 2022 Sep 9;101(36):e30547. doi: 10.1097/MD.0000000000030547.

ABSTRACT

CONTEXT: Nursing students experience psychosocial stress in their workplace. Available statistics are at variance, and hence, the need to know the overall prevalence of psychosocial stress among nursing students.

AIMS: This study aimed to determine the prevalence of psychosocial stress among nursing students through meta-analysis.

MATERIALS AND METHODS: PubMed, Cochrane, Web of Science, CNKI, and China Biomedical Literature Service System were searched for articles. Search terms include “psychosocial stress,” “nursing students.” Articles were included if they used validated psychosocial stress assessment instruments. Of the 15 articles with data on stress prevalence, 8 met all inclusion criteria. Each article was independently reviewed by the authors and relevant data were abstracted. Statistical analysis was done using Revman 4.1.

RESULTS: Overall, the average score for stress among nursing students was 3.70 (95% confidence interval [CI]: [3.33, 4.06]) based on the analyzed 15 articles with a sample size of 9202.

CONCLUSION: This study showed that the stress level of intern nursing students was mainly moderate.

PMID:36086725 | DOI:10.1097/MD.0000000000030547

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Does noninvasive cerebellar stimulation improve the balance and walking function of patients with stroke: A meta-analysis of randomized controlled trials

Medicine (Baltimore). 2022 Sep 9;101(36):e30302. doi: 10.1097/MD.0000000000030302.

ABSTRACT

OBJECTIVES: Investigating the efficacy and safety of noninvasive cerebellar stimulation in improving the balance and walking function of patients with stroke.

METHODS: We searched 7 databases for randomized controlled trials (RCTs) related to noninvasive cerebellar stimulation in the treatment of stroke. The Berg Balance Scale (BBS), 6-minute walk test (6MWT), and Barthel Index (BI) were used as the outcome indexes to evaluate balance, walking and activities of daily living (ADL). The quality of the research was evaluated using the Cochrane Risk of Bias Tool. A meta-analysis was performed to evaluate the difference between the noninvasive cerebellar stimulation and control groups. Heterogeneity tests were performed to assess differences in treatment effects across noninvasive cerebellar stimulation modalities. A sensitivity analysis was performed to evaluate the robustness of the results.

RESULTS: Seven studies were included, and 5 articles (71.43%) were rated as having a low risk of bias. Among the primary outcome indicators, 4 of the 7 articles were combined into the fixed effect model (I2 = 38%, P = .18). Compared with the control group, noninvasive cerebellar stimulation improved the BBS score, and the difference was statistically significant (mean difference [MD]: 3.00, 95% confidence interval [CI]: 1.10-5.40, P = .03); the sensitivity analysis showed that the statistical model was still stable after sequentially eliminating each article. Compared with the control group, noninvasive cerebellar stimulation improved the 6MWT results of patients with stroke (MD: 25.29, 95% CI: 4.86-45.73, P = .02). However, noninvasive cerebellar stimulation did not improve the BI (MD: 15.61, 95% CI: -7.91 to 39.13, P = .19). No safety problems or adverse reactions to noninvasive cerebellar stimulation were observed.

CONCLUSIONS: Noninvasive cerebellar stimulation improves balance and walking function of patients with stroke, but its effect on ADL is uncertain. Due to the methodological weaknesses in the included trials, more RCTs are needed to confirm our conclusions.

PMID:36086722 | DOI:10.1097/MD.0000000000030302

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Perception on phone medical report to family members of patients admitted by COVID-19 to emergency observation rooms of a tertiary hospital: A cross-sectional study

Medwave. 2022 Sep 9;22(8):e002517. doi: 10.5867/medwave.2022.08.002517.

ABSTRACT

INTRODUCTION: Medical reports of patients admitted to the emergency services has been modified due to the social distancing needed in the COVID-19 epidemic. For this reason, it is essential to know the family members’ perceptions about telephone medical reports.

OBJECTIVE: To determine the perception of care by family members of patients hospitalized due to COVID-19 on telephone medical reports in a tertiary hospital’s emergency room in Lima, Peru.

METHODS: A non-experimental cross-sectional study, through a survey of family members of patients with COVID-19 admitted during July and August 2020. The “External user satisfaction survey of the Ministry of Health” adapted to this setting was used due to the absence of similar studies. Information, respect for the user, efficiency, accessibility, suitability, security, and overall satisfaction were considered. The sample size for finite populations was selected from 2 936 family members, obtaining 347 surveys from 641 calls. Relatives were called by phone, and after acceptance, the survey was sent to them via WhatsApp in Google Forms format. Once the survey was received, it was analyzed using descriptive statistical techniques.

RESULTS: We made 641 telephone calls with a response rate of 54.1%, obtaining 347 surveys. The mean age was 40.12 years (standard deviation: 11.93 years), with 61.4% of females and 38.0% married. We found that 65.1% received higher education and that Chorrillos was the most prevalent district (10.1%). Moreover, 42.4% of those surveyed were children of hospitalized patients, 17.3% were spouses, and 85% were not health personnel. We found a high level of agreement in overall satisfaction (73.2%) and in most dimensions, including information (88.8%), respect for the user (82.1%), efficiency (70.3%), accessibility (75.8%), suitability (79.0%), and security (87.9%).

CONCLUSION: The telephone medical reports to relatives of patients hospitalized due to COVID-19 in the emergency room found an overall satisfaction of 73.2% . Telephone medical reports are essential alternatives to improve the quality of care during the COVID-19 epidemic.

PMID:36084348 | DOI:10.5867/medwave.2022.08.002517

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Differential Biopsy Patterns Influence Associations Between Multivitamin Use and Prostate Cancer Risk in the Selenium and Vitamin E Cancer Prevention Trial

Cancer Epidemiol Biomarkers Prev. 2022 Sep 9:EPI-22-0453. doi: 10.1158/1055-9965.EPI-22-0453. Online ahead of print.

ABSTRACT

BACKGROUND: Multivitamin use is a common health behavior but there is conflicting evidence from prospective studies about whether this behavior increases or decreases prostate cancer (PCa) risk.

METHODS: Associations of multivitamin (MVI) use and PCa risk were evaluated using data from the Selenium and Vitamin E Cancer Prevention Trial (SELECT). Cox proportional hazards models estimated associations of MVI use with risk of total, low- and high-grade PCa. Longitudinal data were used to evaluate screening and biopsy patterns. To account for differential biopsy patterns, the probability of PCa was estimated for men with a positive screening value but no biopsy. Incidence Density Ratios were used to approximate hazards ratios, and associations of MVI use with predicted PCa risk were compared to observed.

RESULTS: Analyses of data from observed biopsies suggest a respective 19% (95% CI 10-28%) and 21% (12-31%) higher risk of high-grade PCa for current and long-term MVI use, compared to no use. Current and long-term MVI use was associated with a shorter time to first on-study biopsy, indicating the potential for detection bias. After accounting for differential acceptance of biopsy, associations of MVI use with PCa were attenuated and not statistically significant.

CONCLUSIONS: In SELECT, biopsy acceptance patterns differed by MVI use. Estimates of associations of MVI use with PCa risk based on observed biopsy data may be biased by differential acceptance of biopsy.

IMPACT: Differential biopsy ascertainment may impact associations of risk factors and PCa. Detailed screening and biopsy data can be used to analytically minimize such bias.

PMID:36084322 | DOI:10.1158/1055-9965.EPI-22-0453