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Nevin Manimala Statistics

Sarcopenia and cardiovascular diseases: A systematic review and meta-analysis

J Cachexia Sarcopenia Muscle. 2023 Apr 1. doi: 10.1002/jcsm.13221. Online ahead of print.

ABSTRACT

Sarcopenia is an age-related disease and is often accompanied by other diseases. Now, many studies have shown that cardiovascular diseases (CVDs) may raise the incidence rate of sarcopenia. Therefore, the purpose of this study was to conduct a systematic review and meta-analysis to investigate the prevalence of sarcopenia in patients with CVDs compared with the general population, defined as relatively healthy non-hospitalized subjects. The databases of PubMed, Embase, Medline and Web of Science were searched for eligible studies published up to 12 November 2022. Two assessment tools were used to evaluate study quality and the risk of bias. Statistical analysis was conducted using STATA 14.0 and R Version 4.1.2. Thirty-eight out of the 89 629 articles retrieved were included in our review. The prevalence of sarcopenia ranged from 10.1% to 68.9% in patients with CVDs, and the pooled prevalence was 35% (95% confidence interval [95% CI]: 28-42%). The pooled prevalence of sarcopenia was 32% (95% CI: 23-41%) in patients with chronic heart failure (CHF), 61% (95% CI: 49-72%) in patients with acute decompensated heart failure (ADHF), 43% (95% CI: 2-85%) in patients with coronary artery disease, 30% (95% CI: 25-35%) in patients with cardiac arrhythmia (CA), 35% (95% CI: 10-59%) in patients with congenital heart disease and 12% (95% CI: 7-17%) in patients with unclassed CVDs. However, in the general population, the prevalence of sarcopenia varied from 2.9% to 28.6% and the pooled prevalence was 13% (95% CI: 9-17%), suggesting that the prevalence of sarcopenia in patients with CVDs was about twice compared with the general population. The prevalence of sarcopenia was significantly higher only in patients with ADHF, CHF and CA compared with the general population. There is a positive correlation between CVDs and sarcopenia. The prevalence of sarcopenia is higher in patients with CVDs than that in the general population. With global aging, sarcopenia has brought a heavy burden to individuals and society. Therefore, it is important to identify the populations with high-risk or probable sarcopenia in order to do an early intervention, such as exercise, to counteract or slow down the progress of sarcopenia.

PMID:37002802 | DOI:10.1002/jcsm.13221

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Elevated serum IgE levels are not associated with poor treatment outcome in psoriasis vulgaris

J Dermatol. 2023 Apr 1. doi: 10.1111/1346-8138.16795. Online ahead of print.

ABSTRACT

Psoriasis is a chronic inflammatory disorder which is associated with impaired skin barrier function. In this context, it was shown that serum IgE level was elevated in significant proportion of psoriasis patients. However, whether serum IgE levels are associated with treatment outcomes of psoriasis has not been understood. We retrospectively analyzed psoriasis patients who visited our clinics through electromedical records. Patients with history of atopic dermatitis were excluded. Total of 483 patients clinically or pathologically diagnosed with psoriasis vulgaris were included for analyses. Initial mean serum IgE level was 226 ± 490.3 KU/L and patients with IgE higher than upper limit normal value were 42.0% (n = 203). Psoriasis Area and Severity Index (PASI) 75 achievement rate according to IgE elevation was analyzed and no statistically meaningful difference was shown. In addition, logistic regression analysis to find out relationship between PASI 75 achievement and IgE titer also failed to show statistically significant relationship. In conclusion, serum IgE level was elevated in significant proportion in the patients with psoriasis, but its elevated level was not associated with treatment outcome.

PMID:37002801 | DOI:10.1111/1346-8138.16795

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Monitoring of SARS-CoV-2 RNA in wastewater: a surveillance tool for foresee infection’s evolution in the Mexican Caribbean

Water Environ Res. 2023 Apr 1:e10859. doi: 10.1002/wer.10859. Online ahead of print.

ABSTRACT

The study aims to determine SARS-CoV-2 RNA in sewage of Cancun wastewater treatment plants, the main touristic destination of Mexico, and to estimate the infected persons during the sampling period. SARS-CoV-2 RNA traces was detected in the inlet of the five plants during almost all the sampling months. However, there is no presence of SARS-CoV-2 RNA traces in the effluent of the five WWTPs during the study period. ANOVA analysis showed differences in the concentrations of RNA traces of SARS-CoV-2 between the sample dates, but no differences were found from one WWTP to another. Estimated infected individuals by Markov Chain Monte Carlo simulation are higher (between 77% and 91%) than the cases reported by the health authority. Wastewater monitoring and the estimation of infected individuals are a helpful tool, because estimation provides early warning signs on how broadly SARS-CoV-2 is circulating in the city, and led to the authorities to take measures wisely.

PMID:37002800 | DOI:10.1002/wer.10859

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Classification of Alzheimer’s disease based on hippocampal multivariate morphometry statistics

CNS Neurosci Ther. 2023 Apr 1. doi: 10.1111/cns.14189. Online ahead of print.

ABSTRACT

BACKGROUND: Alzheimer’s disease (AD) is a neurodegenerative disease characterized by progressive cognitive decline, and mild cognitive impairment (MCI) is associated with a high risk of developing AD. Hippocampal morphometry analysis is believed to be the most robust magnetic resonance imaging (MRI) markers for AD and MCI. Multivariate morphometry statistics (MMS), a quantitative method of surface deformations analysis, is confirmed to have strong statistical power for evaluating hippocampus.

AIMS: We aimed to test whether surface deformation features in hippocampus can be employed for early classification of AD, MCI, and healthy controls (HC).

METHODS: We first explored the differences in hippocampus surface deformation among these three groups by using MMS analysis. Additionally, the hippocampal MMS features of selective patches and support vector machine (SVM) were used for the binary classification and triple classification.

RESULTS: By the results, we identified significant hippocampal deformation among the three groups, especially in hippocampal CA1. In addition, the binary classification of AD/HC, MCI/HC, AD/MCI showed good performances, and area under curve (AUC) of triple-classification model achieved 0.85. Finally, positive correlations were found between the hippocampus MMS features and cognitive performances.

CONCLUSIONS: The study revealed significant hippocampal deformation among AD, MCI, and HC. Additionally, we confirmed that hippocampal MMS can be used as a sensitive imaging biomarker for the early diagnosis of AD at the individual level.

PMID:37002795 | DOI:10.1111/cns.14189

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Is STA really a low-flow graft? A quantitative ultrasonographic study of the flow of STA for cerebral revascularization in MMD patients

CNS Neurosci Ther. 2023 Apr 1. doi: 10.1111/cns.14197. Online ahead of print.

ABSTRACT

OBJECTIVE: Direct revascularization remains an important tool in the treatment of patients with Moyamoya disease (MMD). The superficial temporal artery (STA) is the most commonly used donor vessel for direct bypass, and an STA graft has traditionally been considered a low-flow graft for flow augmentation. This study aimed to quantitatively evaluate the blood flow of the STA after direct revascularization.

METHODS: All direct revascularization procedures performed between 2018 and 2021 by one experienced neurosurgeon were screened. Quantitative ultrasound was used to measure the flow data of the patient’s bilateral parietal branch of the STA(STA-PB), the bilateral frontal branch of the STA(STA-FB), and the left radial artery. Data on the patients’ basic information, Suzuki grade, Matsushima type, anastomosis type, and blood biochemical parameters were collected and analyzed using univariate and multivariate models. An MBC Scale scoring system was proposed to evaluate the recipient artery network of the middle cerebral artery (MCA) tree. The relationship between MBC Scale score and STA graft flow was statistically analyzed.

RESULTS: In total, 81 patients (43 males and 38 females) successfully underwent STA-MCA bypass and were included in this study. The mean flow rates in the STA-PB graft on 1 day preoperatively, 1 day postoperatively, 7 days postoperatively, and >6 months postoperatively (long-term) were 10.81, 116.74, 118.44, and 56.20 mL/min respectively. Intraoperative graft patency was confirmed in all patients. Comparing the preoperative and all postoperative time points, the STA-PB flow rates were statistically significant (p < 0.001). The MCA-C score was significantly associated with postoperative flow rate on day 1 (p = 0.007).

CONCLUSION: The STA is a useful donor artery for direct revascularization inpatients with MMD and can provide sufficient blood supply to the ischemic cerebral territory.

PMID:37002791 | DOI:10.1111/cns.14197

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Prevalence and Predictors of Depression, Anxiety and Stress among Elderly during COVID-19: A Cross-sectional Study from Central India

Mymensingh Med J. 2023 Apr;32(2):556-566.

ABSTRACT

During the COVID-19 pandemic, elderly people have been more prone to depression, anxiety and stress. During these trying times, they require more attention and support for their mental health. This cross-sectional study was performed with the duration of 06 months from March 2021 to August 2021 in AIIMS, Bhopal in the state of Madhya Pradesh, in central India. And the participants recruited by systematic random sampling from a population aged more than 60 years, those who were able to read and write Hindi or English and having at least one family member; who reported to AIIMS, Bhopal during the second wave of COVID-19 in India. Those who were confirmed COVID-19 cases and undergoing treatment for the same, with diagnosed mental health disorders and who didn’t give consent were excluded. A Google form based online semi-structured questionnaire along with DASS-21 scale was completed by participants. Elderly (>=60 years) will be selected. Of the 690 participants 7.25% reported mild to moderate depression, whereas 0.58 percent had severe or extremely severe depression. Mild to moderate anxiety were found in 9.56% of people, while 2.46% had severe or extremely severe anxiety. Mildly or moderately were stressed 4.78%, while 0.42% was severely or extremely anxious. Alcoholism and depression were found to have a statistically significant relationship (p=0.028). During the COVID-19 pandemic, elderly subjects who napped during the day were substantially less depressed (p=0.033). The older the respondents were, the more nervous they were during the pandemic (p=0.042). There is a link between alcohol consumption and stress (p=0.043) and it was seen that females were more stressed as compared to males (p=0.045). There was a strong correlation between participants’ alcohol addiction and depressive symptoms. Psychological therapies for the elderly are thought to be necessary to enhance their psychological resilience and mental health. We need to tackle the stigma related to the COVID-19 and mental health issues.

PMID:37002771

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Effectiveness of Preparedness Training Delivered to Pre-final and Final Year Nursing Undergraduates to Combat COVID-19: A Need-based Initiative

Mymensingh Med J. 2023 Apr;32(2):542-549.

ABSTRACT

A major concern during the COVID-19 pandemic has been the shortage of manpower for patient care. The recommendation of various authorised bodies encouraged the training of students from medical, nursing, and allied fields to manage COVID-19 cases by tele-consultation and monitoring of mild cases under the supervision of faculty. Anticipating a further shortage of human resources, leading to dire consequences, preparedness training for the final year and pre-final nursing undergraduates was initiated. The current study was conducted to evaluate the effectiveness of and feedback on COVID-19 preparedness training delivered to final-and pre-final-year undergraduate nursing students. A 3-day training was given to pre-final and final year nursing undergraduates on ECG, COVID-19 management protocols, personal protective equipment “donning and doffing”, “hand hygiene”, “biomedical waste management”, “contact tracing” and cleaning and disinfection and simulation-based skills. Scores before and after training were conducted and mean scores were compared using a paired t-test. In total, 154 nursing students participated in the training program. Mean pre-test and post-test scores included: general instructions (21.69±2.5 and 25.09±3.29); skill procedures (5.4±1.21 and 6.3±1.2) and COVID management (22.84±3.26 and 26.48±2.06). There was a statistically significant improvement in knowledge and skills in all training sessions (p=0.0001). The mean post-test scores obtained at the OSCE stations for cardiac monitoring, prone positioning, compression-only CPR, airway, ECG and ABG ranged from 97.0% to 100.0% and all participants scored >70.0%. About 92.8% of the students felt that hands-on training enhanced their learning experiences. A need-based initiative of training final-and pre-final-year nursing students in COVID-19 support care effectively and efficiently created a skilled workforce.

PMID:37002769

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Predicting Difficult Intubation by using Modified Mallampati (MMT) with or without Thyromental Height Test (TMHT)

Mymensingh Med J. 2023 Apr;32(2):534-541.

ABSTRACT

Failed Tracheal Intubation with Subsequent inability to maintain an open airway and adequate oxygenation is the most frequent cause of brain damage or death during anesthesia. Recognizing before anesthesia the potential for difficult intubation allows time for optimal preparation. Proper Selection of equipment and techniques is needed to avoid unwanted situation. To find out difficulties associated with endotracheal intubation using Modified Mallampati Test (MMT) combined with Thyromental Height Test (TMHT) and MMT without TMHT. This prospective observational study was conducted at the Department of Anesthesia in Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh from April 2018 to September 2018. Two hundred two patients with different surgical procedures under general anaesthesia in different operation theaters of BSMMU, Dhaka were selected as study population. After taking written consents from each patient or his/her attendant elaborate history of illness, meticulous clinical examinations were performed and relevant laboratory investigations were done. All information was recorded in a preformed data sheet and statistical analysis was done by SPSS-22.0. Mean age ±SD of the study subjects was 42.49±14.29 years in MMT with TMHT group and 43.40±15.39 years in MMT without TMHT group. Females were enrolled more than males in both the groups. BMI was 28.75±3.59kg/m² in MMT with TMHT group and 29.44±8.64kg/m² in MMT without TMHT group. There were no significant differences in age, gender and BMI between the groups. Sensitivity, specificity, PPV, NPV and accuracy were 100.0%, 96.0%, 96.2%, 100.0% and 98.0% respectively of MMT with TMHT in predicting intubation difficulty. Sensitivity, specificity, PPV, NPV and accuracy were 100.0%, 96.0%, 96.2%, 100.0% and 98.0% respectively of MMT only in predicting intubation difficulty. MMT combined with TMHT is a better predictor of intubation difficulty than MMT alone.

PMID:37002768

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Clinical Profile of Pediatric Cases of Dengue during the 2019 Epidemic in Bangladesh: A Multicenter Cross-Sectional Study

Mymensingh Med J. 2023 Apr;32(2):502-509.

ABSTRACT

Bangladesh experienced the largest dengue epidemic during 2019, with more than 100,000 confirmed cases and 164 deaths. Almost one-third of these cases were children. The present study aimed to investigate the clinical and hematological manifestations of pediatric dengue cases during the epidemic. This was a multicenter cross-sectional study conducted in Dhaka Medical College Hospital, Dhaka, Dr. Sirajul Islam Medical College Hospital and Tangail Sadar Hospital, Tangail, Bangladesh between the period of June 2019 and September 2019. The study included 208 pediatric patients (age <18 years) with confirmed dengue fever. Patient’s demographics, clinical and laboratory features of dengue were collected through patients’ interview, clinical examination and laboratory investigations. Descriptive statistics were used to represent the patients’ socio-demographic information, clinical presentations and hematological parameters. The majority of the patients were aged between 6 and 17 years with male predominance. The most commonly presented clinical manifestations were fever (100.0%), headache (59.0%), myalgia (42.0%), rash (36.0%), retro-orbital pain (28.0%) and diarrhea (24.0%). Warning signs abdominal pain (40.0%) and persistent vomiting (29.0%), bleeding manifestations such as melena (17.0%), gum bleeding (7.0%) and epistaxis (6.0%) and evidence of plasma leakage such as oliguria (3.4%), ascites (2.4%), pleural effusion (1.4%), and shock (1.0%) were also present in the patients. Raised HCT levels, leucopenia and thrombocytopenia were present in almost 23.0%, 43.0% and 28.0% of children, respectively. Warning signs and plasma leakage were present in a substantial number of patients indicating potential risk of severe dengue. Prompt diagnosis and management based on best clinical judgment might prevent severe dengue at an early stage.

PMID:37002764

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Clinicopathological Characteristics of Mucinous and Non-mucinous Adenocarcinoma of the Colon and Rectum

Mymensingh Med J. 2023 Apr;32(2):480-486.

ABSTRACT

Colorectal carcinoma is the most common cancer of the gastrointestinal tract. More than 95.0% of the cancer is adenocarcinoma. Mucinous adenocarcinomas account for about 10.0% of all colorectal cancers. The expression of mucin themselves may play a role in the ability of tumors cells to escape the effect of systemic therapy and the process of tumor progression, invasion, survival and protection against the host immune response. The mucin lakes may also be a physiological barrier for the delivery of targeted therapy to the tumors cells. The aim of this study was to evaluate and compare the morphologic and histologic prognostic factors of mucinous and non-mucinous adenocarcinoma of the colon and rectum. In this descriptive cross-sectional type of observational study a total of 98 samples with colorectal adenocarcinoma were evaluated on the basis of presence or absence of the mucin from 2017 and 2018. The study was conducted in paraffin-embedded tumor tissue whose slides were stained using the hematoxylin-eosin technique. Mucin was evaluated by Periodic acid schiff and Diastase periodic acid schiff stain. Totally, 27 of 98 patients with colorectal adenocarcinoma (27.6%) had mucinous histologic subtype. Statistical significant results found in this research are as follows: Mucinous subtype tended to have present with moderate anaemia, history of low vegetable diet and larger tumor size, proximal colon involvement, infiltrative morphology and higher stage II compared to non-mucinous histologic subtype. Mucinous histologic subtype was associated with some adverse pathologic features in patients with colorectal cancer.

PMID:37002761