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Nevin Manimala Statistics

Review of prognostic factors for kidney transplant survival

Urologia. 2023 Jun 23:3915603231183754. doi: 10.1177/03915603231183754. Online ahead of print.

ABSTRACT

Transplantation is the most effective treatment for end-stage chronic kidney disease, as this procedure prolongs and improves the patient’s quality of life. One of the key problems is the risk of graft rejection. The purpose of this research was to identify and analyse prognostic factors that will prevent rejection. In particular, the prognostic factors grouped by methods of synthesis, generalisation and statistical processing with calculation and graphical representation of hazard ratio and correlation coefficient were grouped, namely: age of donor and recipient, time of cold kidney ischaemia, duration of preoperative dialysis, body mass index, presence of concomitant diseases (diabetes mellitus, hypertension), primary causes causing transplantation. Several molecular genetic and biochemical prognostic markers (transcription factors, immunocompetent cell signalling and receptors, cytostatin C, creatinine, citrate, lactate, etc.) are annotated. It has been demonstrated that creatinine reduction rate determines the risk of rejection, displaying the dynamics of cystatin C and creatinine changes in the postoperative period. Young recipients who underwent prolonged preoperative dialysis were identified as having the highest risk of rejection. Diabetes and hypertension bear a non-critical but commensurately equal risk of rejection. The survival rate of the graft is better when transplanted from a living donor than from a deceased donor. A correlation between cold ischaemia time, body mass index and the probability of graft failure has been proven, namely, the greater the donor and recipient body mass index and the longer the cold ischaemia time, the lower the chance of successful long-term organ acclimation. The data obtained can be used as prognostic factors for graft accommodation at different intervals after surgery.

PMID:37350238 | DOI:10.1177/03915603231183754

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“Kickstart to Recovery”: An Irish Football Program for Mental Health Service Users

OTJR (Thorofare N J). 2023 Jun 23:15394492231177281. doi: 10.1177/15394492231177281. Online ahead of print.

ABSTRACT

The “Kickstart to Recovery” program is a collaboration between Irish mental health occupational therapists and the Football Association of Ireland. This pilot study aimed to investigate whether participants experienced changes in quality of life, recovery, social gains, and the meaning of football following participation in the program. A quantitative pre-post study design was employed, with 27 participants completing a questionnaire consisting of outcome measures aimed to measure the above changes. Findings revealed statistically significant improvements in the Short Form 36 Health Survey Questionnaire (SF-36) “Energy/Fatigue” domain for the total sample and the Recovery Assessment Survey-Domains and Scales (RAS-DS) “Mastering My Illness” domain for first-time program participants. Statistically significant results were found for domains of “Social Functioning” and “Emotional Wellbeing” in groups incorporating additional social elements. The Engagement in Meaningful Activities Survey (EMAS) showed no change for the personal meaning participants attributed to football; however, high pre-test scores were noted. The “Kickstart to Recovery” program is attributed as a possible factor contributing to these results.

PMID:37350190 | DOI:10.1177/15394492231177281

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Nanofluidic Aptamer Nanoarray to Enable Stochastic Capture of Single Proteins at Normal Concentrations

Small. 2023 Jun 23:e2301013. doi: 10.1002/smll.202301013. Online ahead of print.

ABSTRACT

Single-molecule experiments allow understanding of the diversity, stochasticity, and heterogeneity of molecular behaviors and properties hidden by conventional ensemble-averaged measurements. They hence have great importance and significant impacts in a wide range of fields. Despite significant advances in single-molecule experiments at ultralow concentrations, the capture of single molecules in solution at normal concentrations within natural biomolecular processes remains a formidable challenge. Here, a high-density, well-defined nanofluidic aptamer nanoarray (NANa) formed via site-specific self-assembly of well-designed aptamer molecules in nanochannels with nano-in-nano gold nanopatterns is presented. The nanofluidic aptamer nanoarray exhibits a high capability to specifically capture target proteins (e.g., platelet-derived growth factor BB; PDGF-BB) to form uniform protein nanoarrays under optimized nanofluidic conditions. Owing to these fundamental features, the nanofluidic aptamer nanoarray enables the stochastic capture of single PDGF-BB molecules at a normal concentration from a sample with a ultrasmall volume equivalent to a single cell by following Poisson statistics, forming a readily addressable single-protein nanoarray. This approach offers a methodology and device to surpass both the concentration and volume limits of single-protein capture in most conventional methodologies of single-molecule experiments, thus opening an avenue to explore the behavior of individual biomolecules in a manner close to their natural forms, which remains largely unexplored to date.

PMID:37350189 | DOI:10.1002/smll.202301013

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Comparison of the Recurrence and Surgical Outcome of Spinal Hemangioblastoma in Sporadic and Von Hippel-Lindau Diseases: A Subanalysis of a Nationwide Study by the Neurospine Society of Japan

Neurospine. 2023 Jun 20. doi: 10.14245/ns.2346368.184. Online ahead of print.

ABSTRACT

OBJECTIVE: This study aimed to clarify the relationship between recurrence and the extent of resection in surgery for intramedullary spinal hemangioblastoma (sHB) and its impact on von Hippel-Lindau (vHL) disease.

METHODS: Data on sHB cases followed up for at least 6 months after surgery were extracted from a nationwide registry of 1,033 consecutive spinal intramedullary tumors surgically treated between 2009 and 2020, and were retrospectively categorized into a sporadic or vHL group. The diagnosis of vHL disease was made at each institution based on clinical findings.

RESULTS: A total of 168 patients (sporadic group, 101; vHL group, 67) were included in the study. Compared with the sporadic group, the vHL group had a younger onset (45.4±16.8 v.s. 39.6±14.1 years, p=0.02), more preoperative motor (47.5 v.s. 68.7%, p<0.01) and gait (37.6 v.s. 61.2%, p<0.01) impairments, and more patients with worsening neurological symptoms at discharge (p=0.02). The gross total resection (GTR) rates and the recurrence rates were not statistically different between the sporadic and the vHL groups. GTR significantly improved recurrence-free survival compared to non-GTR in all patient analysis (p<0.01) but this trend was not observed in the sporadic group. Physical functional improvement from discharge to 6 months after surgery was observed in the sporadic group (p<0.01) but not in the vHL group.

CONCLUSION: A high GTR rate may sufficiently decrease susceptibility to recurrence, especially in patients with sHB with vHL. In sporadic sHB, postoperative functional improvement can be expected, and the long-term functional prognosis is favorable.

PMID:37350167 | DOI:10.14245/ns.2346368.184

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Efficacy of supervised home-based, real time, videoconferencing telerehabilitation in patients with type 2 diabetes: a single-blind randomized controlled trial

Eur J Phys Rehabil Med. 2023 Jun 23. doi: 10.23736/S1973-9087.23.07855-3. Online ahead of print.

ABSTRACT

BACKGROUND: Exercise-based interventions prevent or delay symptoms and complications of type 2 diabetes (T2D) and are highly recommended for T2D patients; though with very low participation rates. Τelerehabilitation (TR) could act as an alternative to overcome the barriers preventing the promotion of T2D patients’ well-being.

AIM: Determine the effects of a six-week TR program on glycemic control, functional capacity, muscle strength, PA, quality of life and body composition in patients with T2D.

DESIGN: A multicenter randomized, single-blind, parallel-group clinical study.

SETTING: Clinical trial.

POPULATION: Patients with T2D.

METHODS: Thirty T2D patients (75% male, 60.1±10.9 years) were randomly allocated to an intervention group (IG) and a control group (CG) with no exercise intervention. IG enrolled in a supervised, individualized exercise program (combination of aerobic and resistance exercises), 3 times/week for 6 weeks at home via a TR platform. Glycated hemoglobin (HbA1c), six-minute walk test (6MWT), muscle strength (Hand Grip Strength Test [HGS], 30-Second Chair Stand test [30CST] physical activity [IPAQ-SF]), quality of life (SF-36) and anthropometric variables were assessed.

RESULTS: Two-way repeated-ANOVA showed a statistically significant interaction between group, time and test differences (6MWT, muscle strength) (V=0.33, F [2.17]=4.14, P=0.03, partial η2=0.22). Paired samples t-test showed a statistically significant improvement in HbA1c (Z=-2.7), 6MWT (Μean ∆=-36.9±27.2 m, t=-4.5), muscle strength (Μean ∆=-1.5±1.4 kg, t=-2.22). Similarly, SF-36 (mental health [Μean ∆=-13.3±21.3%], general health [Μean ∆<inf>=</inf>-11.4±16.90%]) were statistically improved only in IG.

CONCLUSIONS: The findings of this study indicate that a 6-week supervised home-based TR exercise program induced significant benefits in patients with T2D, thus enabling telehealth implementation in rehabilitation practice as an alternative approach.

CLINICAL REHABILITATION IMPACT: Home-based exercise via the TR platform is a feasible and effective alternative approach that can help patients with T2D eliminate barriers and increase overall rehabilitation utilization.

PMID:37350165 | DOI:10.23736/S1973-9087.23.07855-3

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The impact of a pharmacist-led oral anticancer clinic on medication adherence and laboratory monitoring

J Oncol Pharm Pract. 2023 Jun 23:10781552231159870. doi: 10.1177/10781552231159870. Online ahead of print.

ABSTRACT

PURPOSE: To evaluate the impact that a pharmacist-managed oral anticancer clinic has on patient adherence to oral anticancer therapy in regard to medication adherence and adherence to lab monitoring.

METHODS: A retrospective chart review was completed for patients prescribed abiraterone, enzalutamide, or ibrutinib within the study time period. The primary outcome was assessing medication adherence by comparing the medication possession ratio (MPR) before (Phase 1) and after (Phase 2) initiation of the pharmacist-led oral anticancer therapy clinic. The secondary outcome was assessing lab monitoring adherence by patients and providers in Phase 1 and Phase 2. This will be done by assessing whether labs were ordered at the appropriate time frame by oncology providers, as well as whether or not the patient came and got these labs drawn. This study will also examine outcomes related to the pharmacist-led oral anticancer therapy clinic (phase 2) for descriptive purposes.

RESULTS: A total of 189 charts were analyzed with 134 excluded and 55 included (25 patients in phase 1 and 30 patients in phase 2). Independent sample t-test analyses revealed a statistically significant increase (t(30.57) = -1.99; p = 0.027) in the MPR ratio between phase 1 (mean = 0.98, SD = 0.13) compared to phase 2 (mean = 1.04, SD = 0.08). For patient adherence to lab monitoring, there was a statistically significant improvement between phase 1 and phase 2 for patients on abiraterone (21.9% vs 67%; t(25) = -5.73; p < 0.001) and enzalutamide (35.7% vs. 90.5%; t(8) = -3.26; p = 0.006). However, for patients on ibrutinib, there was a slight decline in lab monitoring adherence between phase 1 and phase 2 but this effect was not statistically significant (56.2% vs. 51%; t(17) = 0.58; p = 0.283). Similar results were shown for provider adherence to lab monitoring. Descriptive outcomes showed that the pharmacist had, on average, 6.7 encounters per patient with the majority being phone and face-to-face appointments.

CONCLUSIONS: Data from this study demonstrated that a pharmacist-led oral anticancer clinic can improve MPR ratios and patient adherence to oral anticancer medication regimens. In addition, patient and provider lab monitoring adherence was improved for abiraterone and enzalutamide. Improvement in patient and provider lab monitoring adherence for ibrutinib was not shown, possibly due to the impact of the COVID-19 pandemic, relatively small sample size, and retrospective nature of this study. The results of this study support that overall, a pharmacist-led oral anticancer clinic can significantly improve patient outcomes, which aligns with previous smaller studies that have shown similar benefits.

PMID:37350157 | DOI:10.1177/10781552231159870

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Predictors for the Development of Neurological Immune-related Adverse Events of Immune Checkpoint Inhibitors and Impact on Mortality

Eur J Neurol. 2023 Jun 23. doi: 10.1111/ene.15942. Online ahead of print.

ABSTRACT

BACKGROUND: Little is known about risk factors for developing neurological immunological adverse events (neuro-irAEs) from immune check point inhibitors (ICI). We report the incidence, predictors for development, impact on mortality of neuro-irAEs, and impact of ICI on pre-existing neurological conditions in a large clinical cohort.

METHODS: Patients who received ICI between January 2011 and December 2018 were identified from a tertiary cancer center registry. Descriptive statistics were used to summarize patient, cancer, and treatment data. Odds ratios from univariable and multivariable logistic regression models were calculated to identify potential predictors for developing a neuro-irAE. Impact of neuro-irAE on overall survival was estimated by Kaplan-Meier and Cox proportional-hazard models.

RESULTS: Overall frequency of neurological irAEs was 2.3%. Peripheral nervous system complications were most frequent (53.6%). Melanoma, younger age, prior chemotherapy, prior resection, CTLA-4 ICI exposure, and combination PD-1 and CTLA-4 ICI exposure had significantly higher odds for developing a neuro-irAE (p <0.05) on univariate but not multivariate models. Those with a neuro-irAE were less likely to die at 3 years compared to those without a neuro-irAE (69% vs 55%, p=0.004) in univariate but not multivariate model. Flare of pre-existing neurological condition after exposure to ICI was present (15.4%, 2 of 13 patients) but manageable. One patient was rechallenged with ICI without recurrent flare.

CONCLUSIONS: Neuro-irAEs are not associated with increase in overall mortality. Potential predictors for the development of neuro irAEs are younger age, melanoma, prior chemotherapy and resection, CTLA-4, or combination ICI exposure.

PMID:37350150 | DOI:10.1111/ene.15942

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Erectile dysfunction, depression, and anxiety in patients with functional anorectal pain: a case-control study

J Sex Med. 2023 Jun 22:qdad082. doi: 10.1093/jsxmed/qdad082. Online ahead of print.

ABSTRACT

BACKGROUND: Men with functional anorectal pain (FARP) report having erectile dysfunction (ED) and significant changes in psychological status.

AIM: The study sought to investigate the risk factors associated with FARP among male Chinese outpatients, alongside the impact of FARP on patients’ ED, depression, and anxiety.

METHODS: This case-control study included 406 male participants, divided into FARP (n = 323) and healthy control (n = 73) groups. Demographic and disease characteristics were collected from the patients, and the 5-item International Index of Erectile Function, Patient Health Questionnaire-9, and Generalized Anxiety Disorder 7 were used to assess erectile function, depression, and anxiety symptoms. Baseline characteristics were described using descriptive statistics, logistic regression analysis identified factors influencing FARP, and its association with ED, depression, and anxiety were analyzed using linear and ordinal logistic regression analyses. Validity was ensured through subgroup and sensitivity analyses.

OUTCOMES: The primary outcome was the association between FARP and ED, depression, and anxiety; the secondary outcome was the influencing factors of FARP such as lifestyle and work habits.

RESULTS: Men with FARP were likely to have more serious ED (59.8% vs 32.9%), depression (20.7% vs 4.1%), and anxiety(31.5% vs 12.3%); have lower 5-item International Index of Erectile Function scores; or have higher Patient Health Questionnaire-9 and Generalized Anxiety Disorder 7 scores compared with unaffected participants. Alcohol intake, family relationship, high work pressure, and prolonged bowel movements were significantly associated with FARP severity. The association between FARP with ED, depression, and anxiety was statistically significant in both crude and adjusted models. FARP was associated with 2.47, 2.73, and 2.67 times higher risk for ED, depression, and anxiety, respectively. An increase pain severity increased the incidence of ED (moderate pain: 4.80 times, P < .000; severe pain: 3.49 times, P < .004), depression (moderate pain: 1.85 times, P < .017; severe pain: 2.04 times, P < .037), and anxiety (moderate pain: 1.86 times, P < .014).Clinical Implications: Changes in lifestyle and work habits can help prevent pain symptom exacerbation. Attention to erection and psychological issues in patients with FARP and interdisciplinary comprehensive treatment may improve the efficacy.

STRENGTHS AND LIMITATIONS: The study highlights a correlation between FARP and ED, depression, and anxiety, with pain severity being a contributing factor. However, the study’s limitations include a small sample size and potential recall bias, and other sexual functions were not thoroughly explored.

CONCLUSION: Patients with FARP have a higher prevalence of ED, depression, and anxiety, which increase with pain severity. Factors such as alcohol intake, work pressure, prolonged sitting, and longer defecation times are significantly correlated with FARP pain severity.

PMID:37350145 | DOI:10.1093/jsxmed/qdad082

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An investigation on cervical cancer and human papillomavirus vaccine knowledge, and analysis of influencing factors for choosing domestic or imported 2vHPV vaccine among females in Shenzhen, China

Hum Vaccin Immunother. 2023 Jun 23:2225389. doi: 10.1080/21645515.2023.2225389. Online ahead of print.

ABSTRACT

In 2020, the domestic (Chinese native) 2v human papillomavirus (HPV) vaccine was approved for use in females. At present, there are obvious differences in demand for different HPV vaccines. We aimed to investigate knowledge level of cervical cancer and HPV vaccine and its influencing factors among the eligible female recipients in Shenzhen, China, and to analyze the factors influencing choice of 2vHPV vaccine (domestic or imported) would be selected. A self-administered questionnaire was carried out on this investigation, and respondents were selected by random sampling method conducted by vaccination doctors. A total of 1197 valid questionnaires were collected, of which 729 (60.9%) were vaccinated with domestic vaccines and 468 (39.1%) were vaccinated with imported. Four hundred and fifty (61.7%) and 306 (65.4%) got a passing grade, respectively (χ2 = 1.637, P = .201). Logistic regression analysis showed that age (P = .002), ethnicity (P < .001), duration of residence in Shenzhen (P < .001), educational level (P < .001) and occupation (P < .001) were significant. It also showed that the manufacturers (P < .001), efficacy (P < .001), safety (P < .001), cognitive approach (P < .001), public opinion (P < .001), convenient acquisition (P < .001) and knowledge reserve (P = .035) were statistically significant. While price (P = .371) and doctor’s suggestion (P = .114) were not. In conclusion, eligible female recipients had a high degree of knowledge regarding cervical cancer and HPV vaccine, education level and occupation were the most important factors for scores. Domestic 2vHPV vaccine was more widely utilized than imported, manufacturer, efficacy, safety, cognitive approach, public opinion, convenient acquisition, and knowledge reserve had an impact on selection for recipients, while price and doctor’s suggestion did not.

PMID:37350143 | DOI:10.1080/21645515.2023.2225389

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The effect of blood pressure lowering medications on the prevention of episodic migraine: A systematic review and meta-analysis

Cephalalgia. 2023 Jun;43(6):3331024231183166. doi: 10.1177/03331024231183166.

ABSTRACT

BACKGROUND: Currently, only a few specific blood pressure-lowering medications are recommended for migraine prevention. Whether benefits extend to other classes or drugs is uncertain.

METHODS: Embase, MEDLINE, and the Cochrane Central Registry of Controlled Trials were searched for randomized control trials on the effect of blood pressure-lowering medications compared with placebo in participants with episodic migraine. Data were collected on four outcomes – monthly headache or migraine days, and monthly headache or migraine attacks, with a standardised mean difference calculated for overall. Random effect meta-analysis was performed.

RESULTS: In total, 50 trials (70% of which were crossover) were included, comprising 60 comparisons. Overall mean age was 39 years, and 79% were female. Monthly headache days were fewer in all classes compared to placebo, and this was statistically significant for all but one class: alpha-blockers -0.7 (95% CI: -1.2, -0.1), angiotensin-converting enzyme inhibitors -1.3 (95% CI: -2.9, 0.2), angiotensin II receptor blockers -0.9 (-1.6, -0.1), beta-blocker -0.4 (-0.8, -0.0) and calcium channel blockers -1.8 (-3.4, -0.2). Standardised mean difference was significantly reduced for all drug classes and was separately significant for numerous specific drugs: clonidine, candesartan, atenolol, bisoprolol, metoprolol, propranolol, timolol, nicardipine and verapamil.

CONCLUSION: Among people with episodic migraine, a broader number of blood pressure-lowering medication classes and drugs reduce headache frequency than those currently included in treatment guidelines.Trial Registration: The study was registered at PROSPERO (CRD42017079176).

PMID:37350141 | DOI:10.1177/03331024231183166