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Nevin Manimala Statistics

Community Knowledge, Perceptions and Experiences on Healthcare Services for Malaria Prevention and Treatment in the Okavango Delta, Botswana

J Community Health. 2022 Nov 27. doi: 10.1007/s10900-022-01172-7. Online ahead of print.

ABSTRACT

This paper analyses community knowledge, perceptions, and experiences of effectiveness of healthcare service provision on malaria prevention/treatment in two disease-endemic villages of the Okavango Delta panhandle in northern Botswana. A stratified random sampling of 355 households was conducted in October-November 2015. Follow-up retrospective cohort interviews were undertaken in August 2016 from 79 households that reported malaria incidences during the household survey. Data were also collected from 16 key informant interviews and 2 focus group discussions participants. Descriptive statistics and content analyses were used to summarise quantitative and qualitative data, respectively. Results indicate that communities in the study sites had positive perceptions about efficiency of health services based on availability, accessibility and utilization, adequacy of prevention and treatment interventions. Local health clinics were crucial information channels used by respondents. Additionally, factors related to acceptability, availability and accessibility are likely to contribute to perceived effectiveness of the interventions provided by healthcare service providers. Affirmation of efficiency health service provision against malaria has public health implications for adherence to treatment/prevention and participation in community health education campaigns and program implementation in the Okavango Delta region.

PMID:36436166 | DOI:10.1007/s10900-022-01172-7

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Nevin Manimala Statistics

The effect of thymectomy during central neck dissection in papillary thyroid carcinoma: a case-controlled study

Updates Surg. 2022 Nov 27. doi: 10.1007/s13304-022-01428-w. Online ahead of print.

ABSTRACT

Central lymph-node dissection (CND) as part of total thyroidectomy is recommended in the treatment of papillary thyroid cancer. CND with thymus resection for achieving more oncological clearance is suggested in guidelines, but the benefits of this technique are still unclear due to the risk of parathyroid glands injury and postoperative hypocalcemia. The aim of this study is to evaluate the risk and benefits of thymectomy in CND with total thyroidectomy. We retrospectively reviewed the records of 188 patients with total thyroidectomy and CND. Participants were divided into 110 patients with CND and thymus resection and 78 patients with thymus preservation. Oncological completeness was evaluated by measuring the postoperative thyroglobulin and hypocalcemia as a postoperative complication was measured by blood calcium level. Based on our findings, patients who underwent thymus resection had a higher incidence of hypocalcemia compared to patients with thymus preservation (56.4% vs. 39.2%; P = 0.027), but there was no significant difference in thyroglobulin levels between these two groups. (P = 0.115 and 0.185, respectively) The proportion of involved to total resected lymph nodes in our study was 28%, which did not statistically differ among the thymus groups. Routine thymus resection during the CND and total thyroidectomy is not recommended because of more postoperative hypocalcemia occurrence and minimal oncological benefit in PTC treatment.

PMID:36436160 | DOI:10.1007/s13304-022-01428-w

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The evaluation of DLCO changes in patients with relatively higher lung shunt fractions receiving TARE

Ann Nucl Med. 2022 Nov 27. doi: 10.1007/s12149-022-01810-z. Online ahead of print.

ABSTRACT

OBJECTIVE: Transarterial radioembolization (TARE) with Yttrium-90 (90Y) labeled microspheres is an effective locoregional treatment option for patients with primary and metastatic liver cancer. However, TARE is also associated with radiation-induced lung injury due to hepatopulmonary shunting. If a large proportion of the injected radionuclide microspheres (more than 15%) is shunted, a rare but lethal complication may develop: radiation-induced pneumonitis (RP). Diffusion capacity of the lungs for carbon monoxide (DLCO) is a valuable test to assess lung function and a decrease in DLCO may indicate an impairment in gas exchange caused by the lung injury. Some previous researches have been reported the most consistent changes in pulmonary function tests after external beam radiotherapy are recorded with DLCO. This study aimed to examine the changes in DLCO after TARE with glass microspheres in newly treated and retreated patients with relatively higher lung shunt fractions.

METHODS: We prospectively analyzed forty consecutive patients with liver malignancies who underwent lobar or superselective TARE with 90Y glass microspheres. DLCO tests were performed at baseline and on days 15, 30, and 60 after the treatment. All patients were followed up clinically and radiologically for the development of RP.

RESULTS: A statistically significant decrease was found in the DLCO after the first treatment (81.4 ± 13.66 vs. 75.25 ± 13.22, p = 0.003). The frequency of the patients with impaired DLCO at baseline was significantly increased after the first treatment (37.5 vs 57.5% p < 0.05). In the retreated group (n = 8), neither the DLCO (71.5 ± 10.82 vs. 67.50 ± 11.24, p = 0.115) nor the frequency of patients with impaired DLCO (25 vs 25%, p = 1) did not significantly change. Also, the change in DLCO values did not significantly correlate with lung shunt fraction, administered radiation dose, and absorbed lung dose after the first and second treatments (p > 0.05 for all). None of the patients developed RP.

CONCLUSION: Our study showed that a significant reduction in DLCO after TARE may occur in patients with relatively higher lung shunt fractions. Further studies with larger sample sizes are needed to better investigate the changes in DLCO in patients with high lung shunt fractions.

PMID:36436111 | DOI:10.1007/s12149-022-01810-z

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Nevin Manimala Statistics

Association between lateral wall electrode array insertion parameters and audiological outcomes in bilateral cochlear implantation

Eur Arch Otorhinolaryngol. 2022 Nov 27. doi: 10.1007/s00405-022-07756-2. Online ahead of print.

ABSTRACT

PURPOSE: The aims of this study were to compare speech recognition at different postoperative times for both ears in bilaterally implanted patients and to assess the influence of the time of deafness, frequency-to-place mismatch, angular insertion depth (AID) and angular separation between neighbouring electrode contacts on audiometric outcomes.

METHODS: This study was performed at an academic tertiary referral centre. A total of 19 adult patients (6 men, 13 women), who received sequential bilateral implantation with lateral wall electrode arrays, were analysed in retrospective. Statistical analysis was performed using two-sided t test, Wilcoxon test, median test, and Spearman’s correlation.

RESULTS: Postlingually deafened patients (deafness after the age of 10) had a significantly better speech perception (WRS65[CI]) than the perilingually deafened subjects (deafness at the age of 1-10 years) (p < 0.001). Comparison of cochlear duct length between peri- and postlingually deafened subjects showed a slightly significantly smaller cochleae in perilingual patients (p = 0.045). No association between frequency-to-place mismatch as well as angular separation and speech perception could be detected. There was even no significant difference between the both ears in the intraindividual comparison, even if insertion parameters differed.

CONCLUSION: The exact electrode position seems to have less influence on the speech comprehension of CI patients than already established parameters as preoperative speech recognition or duration of deafness.

PMID:36436080 | DOI:10.1007/s00405-022-07756-2

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Structural and functional magnetic resonance imaging correlates of fatigue and dual-task performance in progressive multiple sclerosis

J Neurol. 2022 Nov 27. doi: 10.1007/s00415-022-11486-0. Online ahead of print.

ABSTRACT

BACKGROUND: Frontal cortico-subcortical dysfunction may contribute to fatigue and dual-task impairment of walking and cognition in progressive multiple sclerosis (PMS).

PURPOSE: To explore the associations among fatigue, dual-task performance and structural and functional abnormalities of frontal cortico-subcortical network in PMS.

METHODS: Brain 3 T structural and functional MRI sequences, Modified Fatigue Impact Scale (MFIS), dual-task motor and cognitive performances were obtained from 57 PMS patients and 10 healthy controls (HC). The associations of thalamic, caudate nucleus and dorsolateral prefrontal cortex (DLPFC) atrophy, microstructural abnormalities of their connections and their resting state effective connectivity (RS-EC) with fatigue and dual-task performance were investigated using random forest.

RESULTS: Thirty-seven PMS patients were fatigued (F) (MFIS ≥ 38). Compared to HC, non-fatigued (nF) and F-PMS patients had significantly worse dual-task performance (p ≤ 0.002). Predictors of fatigue (out-of-bag [OOB]-accuracy = 0.754) and its severity (OOB-R2 = 0.247) were higher Expanded Disability Status scale (EDSS) score, lower RS-EC from left-caudate nucleus to left-DLPFC, lower fractional anisotropy between left-caudate nucleus and left-thalamus, higher mean diffusivity between right-caudate nucleus and right-thalamus, and longer disease duration. Microstructural abnormalities in connections among thalami, caudate nuclei and DLPFC, mainly left-lateralized in nF-PMS and more bilateral in F-PMS, higher RS-EC from left-DLPFC to right-DLPFC in nF-PMS and lower RS-EC from left-caudate nucleus to left-DLPFC in F-PMS, higher EDSS score, higher WM lesion volume, and lower cortical volume predicted worse dual-task performances (OOB-R2 from 0.426 to 0.530).

CONCLUSIONS: In PMS, structural and functional frontal cortico-subcortical abnormalities contribute to fatigue and worse dual-task performance, with different patterns according to the presence of fatigue.

PMID:36436069 | DOI:10.1007/s00415-022-11486-0

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The effect of losartan on range of motion and rates of manipulation in total knee arthroplasty: a retrospective matched cohort study

Arch Orthop Trauma Surg. 2022 Nov 27. doi: 10.1007/s00402-022-04696-8. Online ahead of print.

ABSTRACT

INTRODUCTION: Arthrofibrosis remains a common cause of patient dissatisfaction and reoperation after total knee arthroplasty (TKA). Losartan is an angiotensin receptor blocker (ARB) with inhibitory effects on transforming growth factor beta, previously implicated in tissue repair induced fibrosis, and has been studied to prevent stiffness following hip arthroscopy. This study aimed to evaluate pre- and postoperative range of motion (ROM) and the incidence of manipulation under anesthesia (MUA) following primary TKA in patients taking Losartan preoperatively for hypertension.

MATERIALS AND METHODS: A retrospective review of 170 patients from 2012 to 2020 who underwent a primary, elective TKA and were prescribed Losartan at least three months prior to surgery. All patients who were prescribed Losartan and had a preoperative and postoperative ROM in their chart were included and were matched to a control group of patients who underwent TKA and had no Losartan prescription. ROM, MUA, readmissions, reoperations, and revisions were assessed using chi-square and independent sample t tests.

RESULTS: Seventy-nine patients met the inclusion criteria. Preoperative ROM was similar between patients on Losartan and the control group (103.59° ± 16.14° vs. 104.59° ± 21.59°, respectively; p = 0.745). Postoperative ROM and ΔROM were greater for patients prescribed Losartan (114.29° ± 12.32° vs. 112.76° ± 11.65°; p = 0.429 and 10.57° ± 14.95° vs. 8.17° ± 21.68°; p = 0.422), though this difference did not reach statistical significance. There was no difference in readmission, rate of manipulation for stiffness, or all-cause revision rates.

CONCLUSION: In this study, we found that the use of Losartan did not significantly improve postoperative ROM, reduce MUA or decrease revision rates. Further prospective studies using Losartan are required to elucidate the potential effects on ROM and incidence of arthrofibrosis requiring MUA.

LEVEL III EVIDENCE: Retrospective cohort study.

PMID:36436067 | DOI:10.1007/s00402-022-04696-8

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Is biceps tenodesis necessary when performing arthroscopic rotator cuff repair in patients older than 55 years?

Arch Orthop Trauma Surg. 2022 Nov 27. doi: 10.1007/s00402-022-04707-8. Online ahead of print.

ABSTRACT

INTRODUCTION: In patients with arthroscopic rotator cuff repair, tenotomy and tenodesis are the most performed surgical procedures for the biceps long head (BLH) pathologies. Controversy continues as to which surgical procedure provides better results. This study aimed to compare the clinical outcomes of tenotomy and tenodesis applied to the biceps long head in patients who underwent arthroscopic rotator cuff repair.

MATERIALS AND METHODS: In our study, the clinical results of 706 patients who underwent arthroscopic rotator cuff repair with tenotomy or tenodesis on the long biceps head were evaluated retrospectively. Rotator cuff repair patients were divided into two groups as single-row and double-row repair patients. The clinical results of patients who underwent tenotomy and tenodesis in single-row (n = 383) and double-row (n = 323) repair groups were compared. The clinical outcomes of the patients who underwent tenotomy and tenodesis without distinction between double/single-row repair were also compared. Preoperative and postoperative clinical evaluations of the patients were made with Constant Shoulder Score (CSS) and visual pain scale (VAS). The presence of the Popeye sign in the arm, tenderness in the bicipital groove, and cramping in the biceps muscle in the postoperative period was evaluated and compared among groups. Preoperative and postoperative clinical results of the patients were compared within the groups.

RESULTS: A total of 706 patients with a mean age of 61.78 ± 20.94 years and a mean follow-up period of 29.15 ± 14.28 months were evaluated. The mean age of the tenodesis group (58.13 ± 8.47) was significantly lower than the tenotomy group (61.52 ± 22.58) (p < 0.05). The mean CSS and VAS mean postoperatively in the tenotomy group (n = 587) were 76.84 ± 12.74 and 2.29 ± 2.78. The postoperative mean CSS and VAS in the tenodesis group (n = 119) were 77.56 ± 11.23 and 2.64 ± 2.70. There was no statistically significant difference between the postoperative clinical scores of patients who underwent tenotomy and patients who underwent tenodesis (p > 0.05). There was no difference between the tenotomy and tenodesis groups regarding Popeye deformity (p = 0.980). Bicipital groove tenderness and cramping in the biceps muscle were significantly higher in the tenodesis group (p < 0.001, < 0.001). Tenodesis was performed in 68, and tenotomy was performed in 315 out of 383 patients who underwent single-row rotator cuff repair. Tenodesis was performed in 51, and tenotomy was performed in 272 of 334 patients who underwent double-row rotator cuff repair. When singe versus double-row groups was compared, there was no significant difference in VAS, CSS, Popeye sing, bicipital groove tenderness, or biceps muscle cramping. When tenotomy versus tenodesis was compared within single- and double-row repair groups, there was no significant difference in VAS or CSS. There was no difference between the tenotomy and tenodesis groups regarding Popeye deformity, but bicipital groove tenderness and muscle cramping were more in tenodesis groups regardless of the repair rows.

CONCLUSIONS: The effect of tenodesis versus tenotomy for BHL pathologies in patients who underwent arthroscopic rotator cuff repair was not significant for clinical scores, but bicipital groove tenderness and biceps muscle cramping were significantly higher in the tenodesis group.

PMID:36436066 | DOI:10.1007/s00402-022-04707-8

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Adherence to Guidelines in Heart Failure, Is It Valid for Elderly Patients?

Isr Med Assoc J. 2022 Nov;24(11):757-762.

ABSTRACT

BACKGROUND: Current guidelines for the treatment of heart failure with reduced ejection fraction (HFrEF) are based on studies that have excluded or underrepresented older patients.

OBJECTIVES: To assess the value of guideline directed medical therapy (GDMT) in HFrEF patients 80 years of age and older.

METHODS: A single-center retrospective study included patients hospitalized with a first and primary diagnosis of acute decompensated heart failure (ADHF) and ejection fraction (EF) of ≤ 40%. Patients 80 years of age and older were stratified into two groups: GDMT, defined as treatment at hospital discharge with at least two drugs of the following groups: beta-blockers, angiotensin converting enzyme inhibitor (ACEI), angiotensin receptor blocker (ARB), or mineralocorticoid antagonists; and a personalized medicine group, which included patients who were treated with up to one of these drug groups. The primary outcomes were 90-day all-cause mortality, 90-day rehospitalization, and 3-years mortality.

RESULTS: The study included 1152 patients with HFrEF. 254 (22%) patients who were at least 80 years old. Of the group, 123 were GDMT at discharge. When GDMT group was compared to the personalized medicine group, there were no statistically significant differences in terms 90-day mortality (17% vs. 13%, P = 0.169), 90-day readmission (51 % vs. 45.6%, P = 0.27), or 3-year mortality (64.5% vs. 63.3%, P = 0.915).

CONCLUSIONS: Adherence to guidelines in the older adult population may not have the same effect as in younger patients who were studied in the randomized clinical trials. Larger prospective studies are needed to further address this issue.

PMID:36436045

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A case-control analysis of the associations between Fibromyalgia Syndrome and Osteoporosis

Isr Med Assoc J. 2022 Nov;24(11):737-740.

ABSTRACT

BACKGROUND: Fibromyalgia syndrome (FMS) is characterized by widespread musculoskeletal pain and tenderness with associated neuropsychological symptoms such as fatigue, unrefreshing sleep, cognitive dysfunction, anxiety, and depression. Osteoporosis is defined as a reduction of bone density. Previous studies to determine an association of FMS with osteoporosis showed mixed results, partially due to small sample sizes and lack of statistical power.

OBJECTIVES: To evaluate the association of FMS with osteoporosis.

METHODS: We conducted a case-control study utilizing the database from Israel’s largest health maintenance organization. FMS patients were compared to age- and sex-matched controls. Data were analyzed using chi-square and t-tests. Multivariable logistic regression models assessed the association between osteoporosis and FMS. Spearman’s rho test was used for correlation.

RESULTS: We utilized data from 14,296 FMS patients and 71,324 age- and sex-matched controls. Spearman’s rho test showed a significant correlation between FMS and osteoporosis (correlation coefficient 0.55, P < 0.001). A logistic regression for osteoporosis showed an odds ratio [OR] of 1.94 (95% confidence interval [95%CI] 1.83-2.06, P < 0.001) for FMS compared to controls and found higher body mass index to be slight protective (OR 0.926, 95%CI 0.92-0.93, P < 0.001).

CONCLUSIONS: There is a significant correlation between FMS and osteoporosis. Early detection of predisposing factors for osteoporosis in FMS patients and implementation of suitable treatments and prevention measures (such as dietary supplements, resistance or weight bearing exercise, and bone-mineral enhancing pharmacological therapy) may reduce both occurrence rate and severity of osteoporosis and its complications, such as fractures.

PMID:36436041

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Use of tranexamic acid in decreasing blood loss during and after delivery among women in Africa: a systematic review and meta-analysis

Arch Gynecol Obstet. 2022 Nov 27. doi: 10.1007/s00404-022-06845-1. Online ahead of print.

ABSTRACT

BACKGROUND: Africa is a developing continent with a high maternal mortality rate. It is beneficial to implement interventions that alleviate the problem. As a result, this systematic review and meta-analysis was carried out to summarize evidence that will assist concerned bodies in proposing strategies to reduce maternal mortality due to post-partum hemorrhage.

METHODS: This systematic review and meta-analysis includes randomized control trials (RCT) studies searched from various databases (PubMed, Web of Sciences, SCOPUS, African Journal Online, Clinical trials, and African indexes Medics). Data synthesis and statistical analysis were conducted using a combination of review manager 5.3 and STATA Version 14 software. The effect measure utilized was the standardized mean difference for estimated mean blood loss and mean hemoglobin level.

RESULTS: This systematic review and meta-analysis includes a total of 3308 women. The pooled standardized mean difference showed that tranexamic acid statistical significantly reduced the estimated amount of blood loss after vaginal delivery (standardized mean difference with 95% CI – 0.93 [- 1.45, – 0.41]) and during and after cesarean delivery (standardized mean difference with 95% CI – 1.93 [- 2.40, – 1.47]).

CONCLUSION: Tranexamic acid has been found to be a good choice for reducing blood loss during and after delivery in Africa regardless of the mode of delivery. Tranexamic acid had no effect on hemoglobin levels before and after delivery. To reduce maternal mortality due to post-partum hemorrhage, it is critical to implement and strengthen interventions aimed at increasing tranexamic acid uptake in Africa.

PMID:36436014 | DOI:10.1007/s00404-022-06845-1