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Nevin Manimala Statistics

‘Mini-Max’ knotless acetabular labrum repair: repair construct rationale and allocation in a consecutive case series with minimum 1-year clinical outcomes

J Hip Preserv Surg. 2021 Aug 30;8(3):261-269. doi: 10.1093/jhps/hnab061. eCollection 2021 Aug.

ABSTRACT

To describe the ‘mini-Max’ approach to labrum repair using non-absorbable 2.4-mm knotless suture anchors and report objective clinical outcomes with a large single-surgeon cohort. Level 3 retrospective case series. A retrospective review was conducted to report the use and allocation of non-absorbable 2.4-mm knotless suture anchors during ‘mini-Max’ labral repair from 2015 to 2018. Descriptive analysis of the labral damage severity, size and number of anchors used to arthroscopically repair the acetabular labrum was performed. Paired-samples t-tests were performed to evaluate whether preoperative and 1-year follow-up patient-reported outcomes (PROs) were statistically significant. An analysis of variance was performed comparing PROs with categorized number of labral anchors. A total of 390 patients were queried in this study, with 330 (85%) diagnosed intraoperatively with acetabular labral tears. A total of 245 patients (137 females and 108 males) with a mean age of 30.1 ± 11.6 years (mean ± SD) at the time of surgery underwent ‘mini-Max’ labral refixation. Of the 245 labral tears, 88 (35.9%) were graded as mild, 113 (46.1%) as moderate and 44 (18.0%) as severe. Labral repairs required an average of 2.1 ± 0.67 anchors across all patients included. Forty-one repairs (16.7%) required one anchor, 139 (56.7%) required two anchors, 63 (25.7%) required three anchors and 2 (0.8%) required four anchors. Significant improvements were reported for all PROs (P ≤ .001) at a minimum of 1-year follow-up. Arthroscopic ‘mini-Max’ labral repair using non-absorbable knotless suture anchors is a safe and effective technique for improving the lives of patients suffering from symptomatic acetabular labrum tears.

PMID:35582690 | PMC:PMC9106284 | DOI:10.1093/jhps/hnab061

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Effects of group-activity intervention with multisensory storytelling on gross motor function and activity participation in children with cerebral palsy

J Exerc Rehabil. 2022 Apr 26;18(2):96-103. doi: 10.12965/jer.2244028.014. eCollection 2022 Apr.

ABSTRACT

This study determined the effectiveness of 16 multisensory storytelling sessions on physical function and activity participation in children with cerebral palsy. Twenty-four children aged 7 to 8 who belonged to stage I to III of the Gross Motor Function Classification System were randomly divided into experimental and control groups, with 12 children in each group. The experimental group performed group activities through multisensory storytelling for 60 min, twice a week for 8 weeks, while the control group performed structured physical activities. The motor function, activity participation, and peer relationship skills were measured. The collected data were analyzed using the SPSS 25.0 for windows program, and the significance level (α) for statistical verification was set to 0.05. The Wilcoxon signed-rank test was performed for intragroup changes in motor function and activity participation in the experimental and control groups. The Mann-Whitney U-test was used to compare the difference between the 2 groups. Both groups improved gross motor function (P<0.05) and activity participation (P<0.05). A significant difference between both groups was also measured. Multisensory storytelling resulted in significant improvements in large motor function and activity participation. Therefore, it can be an effective intervention for improving gross motor function and activity participation in children with cerebral palsy.

PMID:35582682 | PMC:PMC9081411 | DOI:10.12965/jer.2244028.014

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Nevin Manimala Statistics

Comments on “Effect of type 2 diabetes mellitus in the prognosis of acute-on-chronic liver failure patients in China”

World J Gastroenterol. 2022 Apr 14;28(14):1499-1502. doi: 10.3748/wjg.v28.i14.1499.

ABSTRACT

A study addressing the influence of type 2 diabetes on the prognosis of acute-on-chronic liver failure patients was reviewed. Some statistical deficiencies were found in the reviewed article, and the sample size was too small to support the study. In addition, age should have been considered as one of the prognostic factors.

PMID:35582671 | PMC:PMC9048471 | DOI:10.3748/wjg.v28.i14.1499

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The prevalence and clinical significance of incidental non-cardiac findings on cardiac magnetic resonance imaging and unreported rates of these findings in official radiology reports

Pol J Radiol. 2022 Apr 5;87:e207-e214. doi: 10.5114/pjr.2022.115713. eCollection 2022.

ABSTRACT

PURPOSE: To evaluate the prevalence and significance of incidental non-cardiac findings (NCFs) on cardiac magnetic resonance imaging (MRI). We also aimed to assess the unreported rate and clinical significance of NCFs in official radiological reports.

MATERIAL AND METHODS: Consecutive cardiac MRI examinations of 400 patients were retrospectively analysed and MR images reviewed by 2 observers blinded to official radiology reports. NCFs were classified as insignificant, significant, and major. In patients with significant and major findings, NCFs were classified as previously known or unknown, based on clinical archive. Moreover, we investigated the clinical follow-up results of patients with major NCF.

RESULTS: Of 400 patients, 137 patients (34.3%) had a total of 175 NCFs. Fifty-nine NCFs were considered significant, and 23 were major. Patients with NCFs were significantly older than those without (p < 0.0001). Of 82 significant and major NCFs, 25 were previously unknown. In total, 18 significant and 4 major NCFs were unreported in official MRI reports. The unreported major NCFs were portal vein thrombosis, pulmonary nodule, pulmonary embolism, and liver nodule. The most common unreported findings were pulmonary artery-aorta dilatation and hiatal hernia. No statistical difference was found between official MRI reports and second consensus reading for the detection of major NCFs (p = 0.082).

CONCLUSIONS: The frequency of significant and major NCFs increases with age. Although no statistical difference was found between official MRI reports and second consensus reading for the detection of major NCFs, extra-cardiac findings should be carefully investigated during assessment.

PMID:35582604 | PMC:PMC9093209 | DOI:10.5114/pjr.2022.115713

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Molecular recognition of the interaction between ApoE and the TREM2 protein

Transl Neurosci. 2022 Apr 29;13(1):93-103. doi: 10.1515/tnsci-2022-0218. eCollection 2022 Jan 1.

ABSTRACT

Alzheimer’s disease (AD) is the most common type of dementia. The ε4 allele of the apolipoprotein E (ApoE) gene is the strongest known genetic risk factor for late-onset AD. Triggering receptor expressed on myeloid cells 2 (TREM2) is another important risk factor affecting the AD process after ApoE. Emerging evidence has identified TREM2 as a putative receptor for ApoE, raising the possibility that interactions between ApoE and TREM2 modulate the pathogenesis of AD. In this study, we performed molecular docking and molecular dynamics (MD) analyses to characterize the ApoE-TREM2 interaction and further investigated the effect of the major TREM2 disease-associated mutation (R47H) on the affinity of TREM2 for ApoE. The results indicate that the binding energy between ApoE and TREM2 occurs in an isoform-dependent manner with the following potency rank order: ApoE4 > ApoE3 > ApoE2. In addition, the R47H mutant reduced the interaction between ApoE and TREM2 protein, which may be attributed to decreased hydrogen-bonding interactions, hydrophobic interactions, and electrostatic forces between ApoE and TREM2. Our study analyzed the molecular pattern of the interactions between ApoE and TREM2 and how the variants affect these interactions based on in silico modeling, and the results might help to elucidate the interaction mechanism between ApoE and TREM2. Additional experimental studies will be needed to verify and explore the current findings.

PMID:35582645 | PMC:PMC9055258 | DOI:10.1515/tnsci-2022-0218

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Nevin Manimala Statistics

The reaction of arteries to haemodialysis – can a change in the cross-sectional area be an important parameter in the assessment of the vessels’ condition?

Pol J Radiol. 2022 Apr 15;87:e226-e231. doi: 10.5114/pjr.2022.115804. eCollection 2022.

ABSTRACT

PURPOSE: The objectives of our study were to evaluate the changes in the cross-section area of carotid and femoral arteries caused by fluid loss during haemodialysis (HD) and to determine the direction and amount of these changes.

MATERIAL AND METHODS: Seventy-four HD patients (28 women and 46 men) were studied. We performed ultrasound exams of the distal common carotid and proximal femoral arteries in each patient before and after a HD session. Recorded exams were analysed using EchoPac software. Arterial cross-section area values were acquired for further analysis.

RESULTS: We found a statistically significant decrease in arterial systolic cross-section area values after HD sessions (carotid arteries area before HD equalled 0.6731 cm2 and 0.6333 cm2, p = 0.00001 after HD, femoral arteries area before HD equalled 0.8263 cm2 and 0.7635 cm2, p = 0.00001 after HD). The decrease of systolic carotid cross-section area correlated with the amount of fluid lost during HD sessions (correlation coefficient of 0.3122, p = 0.010) and the percentage of the body mass lost during HD (correlation coefficient of 0.3577, p = 0.003). No statistically significant changes were found in the femoral cross-section area.

CONCLUSIONS: Our findings suggest that the arterial cross-section area may be used in the assessment of response to body fluid loss. We were able to measure changes due to fluid loss during the HD session. The carotid cross-section values decreased after the procedure and correlated with the amount of fluid lost during the HD session.

PMID:35582602 | PMC:PMC9093207 | DOI:10.5114/pjr.2022.115804

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Percutaneous catheter drainage in retroperitoneal abscesses: a single centre’s 8-year experience

Pol J Radiol. 2022 Apr 29;87:e238-e245. doi: 10.5114/pjr.2022.115815. eCollection 2022.

ABSTRACT

PURPOSE: We have investigated the technical and clinical success of percutaneous catheter drainage (PCD) in retroperitoneal abscesses and factors that may affect the outcome.

MATERIAL AND METHODS: The study cohort included 45 patients (17 females and 29 males, with mean age of 56.3 years) that were treated between 2012 and 2020. Forty-seven abscesses were managed with PCD under ultrasonography, computed tomography, or fluoroscopy guidance. Patients’ demographics, lesion locations, predisposing factors, clini-cal presentation, etiology, radiological findings, technical factors, and outcome parameters were presented using exploratory and descriptive statistics.

RESULTS: Abscesses were located in the psoas (n = 25, 55.3%), renal-perirenal (n = 7, 14.8%), and pararenal (n = 14, 29.7%) compartments. The mean preprocedural volume was 263.3 (30-1310) ml. Pain (abdominal and back) (57.4%) and fever (17%) were the most frequent presenting symptoms. The most common predisposing factors were previous surgery (n = 17, 36.1%) and diabetes mellitus (n = 11, 25.5%). Clinical success was attained in 89.3% of abscesses (definitive treatment 72.3% and partial success 17.0%). There was a statistically significant difference between the iatrogenic and non-iatrogenic groups regarding clinical success (p = 0.031). No mortality was encountered. The complication rate was 6.6% and were all minor. The average rate of recurrence was 10.6%. The mean time to catheter removal was 15.8 ± 13.2 days.

CONCLUSIONS: PCD is a safe and effective procedure in the treatment of retroperitoneal abscesses. Procedure-related mortality, morbidity, and complication rates are low. Underlying etiology is a significant factor affecting the outcome. Nevertheless, PCD may provide definitive treatment in the majority of patients.

PMID:35582601 | PMC:PMC9093211 | DOI:10.5114/pjr.2022.115815

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Optic nerve sheath diameter and its implications in the evaluation of cerebral venous sinus thrombosis

Pol J Radiol. 2022 Apr 1;87:e202-e206. doi: 10.5114/pjr.2022.115706. eCollection 2022.

ABSTRACT

PURPOSE: To ascertain the role of optic nerve sheath diameter (ONSD) in the evaluation of cerebral venous sinus thrombosis (CVST).

MATERIAL AND METHODS: A retrospective study with convenient sampling was done during the period November 2018 to January 2020. Forty-one patients across all age groups with magnetic resonance venography (MRV) diagnosis of CVST and 82 gender-matched controls were included in the study. ONSD was measured on axial T2-weighted magnetic resonance images. CVST was identified on axial TOF-MRV including the stage, degree, and location. Intraparenchymal infarction and haemorrhage were also noted with their stage and size. The distribution of values for ONSD was tested for equality of variances using independent samples t-test. A cut-off value for ONSD was derived using ROC analysis.

RESULTS: The mean difference between ONSD of cases and controls was 0.84 mm (95% CI: 0.61-1.06) and was statistically significant at p < 0.001. Mean ONSD in cases was 5.33 ± 0.66, and in the control group it was 4.49 ± 0.31. The cut-off value for ONSD was taken as 4.57 mm, derived using the ROC analysis (AUC was 0.876 suggesting good diagnostic accuracy). ONSD showed a sensitivity of 87% and a negative predictive value of 89% in predicting CVST. However, we found no statistical significance between ONSD in patients with acute or chronic thrombosis or in those with neuroparenchymal complications.

CONCLUSIONS: ONSD is a valid triage tool with high sensitivity and negative predictive value, and it can be used in the evaluation of CVST.

PMID:35582599 | PMC:PMC9093208 | DOI:10.5114/pjr.2022.115706

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Comparison of COVID-19 Inactivated Virus Vaccine Immunogenicity Between Healthy Individuals and Patients on Hemodialysis: A Single-Center Study From Pakistan

Cureus. 2022 Apr 15;14(4):e24153. doi: 10.7759/cureus.24153. eCollection 2022 Apr.

ABSTRACT

Introduction This study compares the immune response after coronavirus disease 2019 (COVID-19) inactivated virus vaccine between healthy individuals (HI) and patients on hemodialysis (HD). Methods In this cross-sectional, comparative study, the presence or absence of immunoglobulin G (IgG) anti-S antibody and IgG anti-S antibody titer was compared between HI, and patients on HD after two doses of COVID-19 vaccine. Results A total of 81 participants, 50 (61.7%) HD patients and 31 (38.3%) HI, were studied. The mean age was 52.9±12 in HD patients and 42±12.4 in HI. Vaccination responder rates were 80.6% in HI and 72% in HD patients after the first dose (p=0.38) and 93.5% in HI and 94% in HD at the third week of the second dose of the vaccine (p=0.93). The mean IgG antibody titer was 156.3±113.8 in HI and 143.4 ± 117.8 in HD patients (p=0.538) after the first dose and 186.7 ± 97.9 in HI and 180.6 ± 105.8 in HD patients (p=0.552) at three weeks of the second dose. No statistically significant difference was found in antibody titer with respect to gender, age, vaccine (BBIBP-CorV or Conovac), and hypertension. Diabetic HD patients had a lower antibody titer than non-diabetic HD patients (p=0.03) while participants who had a history of COVID-19 infection had a higher IgG titer (p = 0.001). The levels of IgG titer in the same patient increased, corresponding to the doses of vaccine (p <0.001). No HD patient developed COVID-19 infection till the third week of vaccination. Conclusion This study demonstrates a similar humoral response after COVID-19 inactivated virus vaccination in HD patients and HI. The response was lower among diabetic patients on HD and better in those with previous COVID-19 infection.

PMID:35582560 | PMC:PMC9107616 | DOI:10.7759/cureus.24153

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What Is the Effect of Inguinal Hernia Operations on Sexual Functions?

Cureus. 2022 Apr 14;14(4):e24137. doi: 10.7759/cureus.24137. eCollection 2022 Apr.

ABSTRACT

OBJECTIVE: The study aimed to evaluate sexual function before and after inguinal hernia surgery using a standard, internationally approved, patient-administered questionnaire.

METHODS: 57 male inguinal hernia cases operated with the Lichtenstein hernioplasty technique were prospectively included in the study. Patients who agreed to participate in the study had the IIEF (International Index of Erectile Function) scoring system form consisting of 15 questions filled in preoperatively, during the first and sixth months after surgery. Patients’ age, BMI, comorbidity, employment status, hernia type, hernia size, and single or bilateral hernia were recorded. The relationship between these variables was evaluated by statistical analysis.

RESULTS: A statistically significant difference was found in terms of erectile function, sexual desire, intercourse function, and overall satisfaction, when the preop-postop first month, preop-postop sixth month, and postoperative first month-postop six-month scores were compared (p < 0.05).

CONCLUSIONS: Pain and swelling due to an inguinal hernia can negatively affect the sexual functions of the patient, and most of the patients benefit from this after the surgery. Sexual dysfunction may be one of the indications for an inguinal hernia operation.

PMID:35582559 | PMC:PMC9107293 | DOI:10.7759/cureus.24137