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Nevin Manimala Statistics

Development of castration resistance in prostate cancer patients treated with luteinizing hormone-releasing hormone analogues (LHRHa): results of the ANARESISTANCE study

World J Urol. 2022 Sep 4. doi: 10.1007/s00345-022-04108-x. Online ahead of print.

ABSTRACT

PURPOSE: Evaluate the percentage of patients with prostate cancer treated with luteinizing hormone-releasing hormone analogues (LHRHa) that develop castration resistance after a follow-up period of 3 years. The secondary objective is to evaluate the variables potentially related to the progression to castration resistant prostate cancer (CRPC).

METHODS: A post-authorization, nation-wide, multicenter, prospective, observational, and longitudinal study that included 416 patients treated with LHRHa between 2012 and 2017 is presented. Patients were followed for 3 years or until development of CRPC, thus completing a per-protocol population of 350 patients. A Cox regression analysis was carried out to evaluate factors involved in progression to CRPC.

RESULTS: After 3 years of treatment with LHRHa 18.2% of patients developed CRPC. In contrast, in the subgroup analysis, 39.6% of the metastatic patients developed CRPC, compared with 8.8% of the non-metastatic patients. The patients with the highest risk of developing CRPC were those with a nadir prostate-specific antigen (PSA) > 2 ng/ml (HR 21.6; 95% CI 11.7-39.8; p < 0.001) and those receiving concomitant medication, most commonly bicalutamide (HR 1.8; 95% CI 1-3.1, p = 0.0431).

CONCLUSIONS: The proportion of metastatic patients developing CRPC after 3 years of treatment with LHRHa is consistent with what has been previously described in the literature. In addition, this study provides new findings on CRPC in non-metastatic patients. Concomitant medication and nadir PSA are statistically significant predictive factors for the time to diagnosis of CRPC, the nadir PSA being the strongest predictor.

PMID:36057895 | DOI:10.1007/s00345-022-04108-x

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Nevin Manimala Statistics

Optimization of ultrasound-assisted production of ergosterol from Penicillium brevicompactum by Taguchi statistical method

Biotechnol Lett. 2022 Sep 4. doi: 10.1007/s10529-022-03297-0. Online ahead of print.

ABSTRACT

Ergosterol as a primary metabolite and precursor of vitamin D2, is the most plentiful mycosterols in fungal cell membrane. Process optimization to increase the yield and productivity of biological products is a topic of interest. Ultrasonic waves have many applications in biotechnology, like cell disruption, and enhancement of primary and secondary metabolites production. This study disclosed an optimal condition for ultrasound-assisted production (UAP) of ergosterol from Penicillium brevicompactum MUCL 19,011 using L9 Taguchi statistical method. The intensity (IS), time of sonication (TS), treatment frequency (TF), and number of days of treatment (DT) were allocated to study the effects of ultrasound on ergosterol production. The results were analyzed using Minitab version 19. The maximum ergosterol, 11 mg/g cell dry weight (CDW), was produced on the tenth day while all factors were at a low level. The days of treatment with a contribution of 45.48% was the most significant factor for ergosterol production. For the first time, this study revealed the positive effect of ultrasound on the production of ergosterol. Ergosterol production increased 73% (4.63 mg/g CDW) after process optimization. Finally, a mathematical model of ultrasound factors with a regression coefficient of R2 = 0.978 was obtained for the ergosterol production during ultrasound treatment.

PMID:36057882 | DOI:10.1007/s10529-022-03297-0

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Nevin Manimala Statistics

Predictors of Satisfaction with Wound Care Services in an Outpatient Setting in Kano, Nigeria

West Afr J Med. 2022 Aug 31;39(8):800-807.

ABSTRACT

BACKGROUND: With the global increase in chronic wounds and the paucity of studies on patient experiences at wound care facilities, we assessed the factors associated with satisfaction with wound care services among patients or their caregivers in a Northwest Nigerian outpatient setting.

METHODS: Participants were systematically selected from patients or their caregivers attending the General Outpatient Clinic of Aminu Kano Teaching Hospital, Kano, for wound dressing. A structured self-administered questionnaire was used to obtain information regarding their sociodemographic and clinical characteristics and satisfaction with service domains. Data were analyzed using descriptive and inferential statistical methods.

RESULTS: There were 170 participants. Their mean age was 31.9±11.4 years, and they were mainly female (55.3%). The overall satisfaction rate was 85.9% (146/170); however, 51.8% and 55.3% of participants were dissatisfied with the advice on home wound care and waiting time, respectively. Employment status, wound location, having sickle cell disease, needing a wheelchair to reach the wound dressing room and perceived availability of a wheelchair were associated with overall satisfaction (P<0.05). The predictors of overall satisfaction were chronic wounds, wound in areas other than the lower limbs/buttocks, and perceived availability of wheelchairs.

CONCLUSION: The overall satisfaction rate was high despite service gaps. However, future improvement in patient satisfaction will require addressing challenges such as the waiting time before wound dressing, equipment (e.g., wheelchairs), and staffing.

PMID:36057862

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Nevin Manimala Statistics

Translucency, color stability, and biaxial flexural strength of advanced lithium disilicate ceramic after coffee thermocycling

J Esthet Restor Dent. 2022 Sep 4. doi: 10.1111/jerd.12960. Online ahead of print.

ABSTRACT

OBJECTIVE: To compare the color stability, translucency, and biaxial flexural strength (BFS) of differently glazed advanced lithium disilicate (ALDS) with those of lithium disilicate (LDS) and zirconia-reinforced lithium silicate (ZLS) after coffee thermocycling.

MATERIALS AND METHODS: Forty disk-shaped specimens were prepared from three lithium silicate based materials (CEREC Tessera, ALDS; IPS e.max CAD, LDS; Vita Suprinity, ZLS). ALDS specimens were divided into two subgroups according to glazing procedures (reduced glaze duration, ALDS-S and normal glaze duration, ALDS-N), while LDS and ZLS specimens were crystallized and glazed. Color coordinate measurements were performed before and after coffee thermocycling. Color differences (ΔE00 ) and relative translucency parameters (RTP) were calculated. Specimens were then subjected to BFS test. Statistical analysis was performed by using 1- (ΔE00 and BFS) and 2-way (RTP) ANOVA tests (α = 0.05).

RESULTS: ΔE00 values of tested materials were similar (df = 3, F = 0.150, p = 0.929). Two-way ANOVA showed the significant effect of material type, coffee thermocycling, and the interaction between these parameters on RTP values (p < 0.001). Both before and after thermocycling, LDS had the highest (p ≤ 0.001) and ZLS had the lowest (p < 0.001) RTP values, while ALDS-N had higher RTP than ALDS-S (p ≤ 0.001). Among tested materials, only LDS had similar RTP values before and after thermocycling (p = 0.865) as the other materials had lower RTP values after thermocycling (p < 0.001). ALDS-N had higher BFS values than ALDS-S (p = 0.005), while LDS had similar values to ALDS specimens (p ≥ 0.201). ZLS had the highest BFS (p ≤ 0.007).

CONCLUSIONS: ALDS had comparable values to those of other materials. However, reduced glazing duration resulted in decreased translucency and BFS of ALDS.

CLINICAL SIGNIFICANCE: ALDS may be an appropriate restorative material for those patients with increased coffee consumption considering its color stability and ability to maintain translucency, particularly when glazed by using a conventional porcelain furnace.

PMID:36057856 | DOI:10.1111/jerd.12960

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Nevin Manimala Statistics

Silicon and boron on cauliflower induce attractiveness and mortality in Plutella xylostella

Pest Manag Sci. 2022 Sep 4. doi: 10.1002/ps.7165. Online ahead of print.

ABSTRACT

BACKGROUND: Boron (B) and silicon (Si) are fundamental for brassica nutrition, and in some cases, they have potential as an insecticide. Plutella xylostella (L.) (Lepidoptera: Plutellidae), one of the most economically important agricultural pests, is difficult to control due to the resistance to insecticides and the absence of alternative control methods.

RESULTS: Cauliflower leaves sprayed with Si and B showed a higher concentration of the benefic element and micronutrient, respectively. When evaluating the firmness of the cauliflower leaves, it was found that the plants with leaf sprayings of Si and B did not differ statistically from each other. However, they showed an increase in firmness, in relation to the plants of the control treatment. Leaf spraying of Si and B on cauliflower did not influence the number of eggs/female. The attractiveness index showed that both Si and B applications stimulated the presence of second instar larvae, being more stimulating in relation to the control treatment. However, the use of Si and B in isolation showed a positive result, since it caused high mortality in diamondback moth larvae compared to the control treatment.

CONCLUSION: The application of both foliar fertilizers positively affects the AI of the larvae, being attractive; however, both Si and B caused high mortality (~80%). The results showed that Si and B have the potential to control P. xylostella and serve as a basis for alternative pest management in brassica crops. This article is protected by copyright. All rights reserved.

PMID:36057848 | DOI:10.1002/ps.7165

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Evaluation of Hemoglobin Response to Treatment with Enarodustat Using Pharmacometric Approach in Japanese Anemic Patients with Chronic Kidney Disease

J Clin Pharmacol. 2022 Sep 4. doi: 10.1002/jcph.2148. Online ahead of print.

ABSTRACT

Enarodustat (JTZ-951) is a hypoxia-inducible factor prolyl hydroxylase inhibitor that has been approved and marketed in Japan for anemic patients with chronic kidney disease (CKD). The pharmacometric approach was applied to assess the relationship between plasma concentrations of enarodustat and hemoglobin (Hb) levels, and to provide information regarding the optimal use of enarodustat in clinical practice by simulations based on the pharmacokinetic and pharmacodynamic (PK/PD) model that was developed. The PK/PD data of enarodusat obtained from Phase 2 and Phase 3 studies in Japanese CKD patients were well described by the models: a 1-comportment model with first-order absorption and elimination for PK, and a semi-mechanistic model based on transit compartment model for PD. Although several factors were identified as statistically significant covariates on the PK/PD of enarodustat, model-based simulations showed that none of them had clinically relevant impacts on the treatment effect (i.e., Hb levels) of enarodustat. Hence, enarodustat treatment provides the stable Hb control with the initial dose (hemodialysis dependent CKD: 4 mg/day, non-dialysis dependent CKD: 2 mg/day) and maintenance dose (1 to 8 mg/day) to the patients with varied demographic characteristics. This article is protected by copyright. All rights reserved.

PMID:36057843 | DOI:10.1002/jcph.2148

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Nevin Manimala Statistics

Application value of shear-wave elastography combined with monochrome superb microvascular imaging in renal allograft chronic rejection

Clin Hemorheol Microcirc. 2022 Aug 27. doi: 10.3233/CH-221443. Online ahead of print.

ABSTRACT

BACKGROUND: Conventional ultrasound (US), which include grey-scale US and doppler US, is the first-line imaging modality for the evaluation of renal allograft; however, conventional US indicators have limitations.

OBJECTIVE: To explore the application value of shear-wave elastography (SWE) combined with monochrome superb microvascular imaging (mSMI) in renal allograft chronic rejection (CR).

METHODS: From November 2021 to February 2022 in the Lanzhou University Second Hospital, the US features of 54 patients with renal allograft were retrospectively analyzed. Patients were categorized into two groups: stable group(n = 44) and CR group(n = 10), with clinical diagnosis as reference standard. The vascular index (VI) on mSMI and parenchymal stiffness were measured in the middle cortex of all renal allografts and receiver operating characteristic (ROC) curves were drawn to evaluate the feasibility of differentiation. Statistically significant US features and biochemical indicators such as creatinine were scored, and the results of the scores were analyzed by ROC curve.

RESULTS: The VI on mSMI of the stable group (49.5±2.0) was significantly greater than that of the CR group (33.8±5.9) (P = 0.028). There was a statistically significant difference in parenchymal stiffness between stable group (16.2kPa±1.2) and CR group (33.9kPa±6.6) (P = 0.027). The sensitivity was 90% and specificity was 81.8% of the scores in the differentiation of stable group from CR group (cut-off value, 2; P = 0.000).

CONCLUSION: SWE combined with mSMI may help differentiate stable renal allograft from renal allograft CR and have the potential application value in the diagnosis of renal allograft CR.

PMID:36057814 | DOI:10.3233/CH-221443

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Nevin Manimala Statistics

The impact of noise exposure and work posture on job stress in a food company

Work. 2022 Sep 1. doi: 10.3233/WOR-210872. Online ahead of print.

ABSTRACT

BACKGROUND: In most food companies, workers are constantly exposed to nonstandard levels of noise. Also, food production processes require intense manual labor and repetitive movements, which may result in musculoskeletal disorders (MSDs). Noise and awkward posture are considered as two important physical factors in the industrialized world, which can related to perceived stress.

OBJECTIVE: This study was conducted among food factory workers to investigate the impact of noise exposure and work posture on occupational stress.

METHODS: A total of 200 workers were examined in this cross-sectional study. Individual noise exposure was measured by TES-1354 dosimeter (TES, TW) according to ISO 9612. Postural risk and job stress levels were assessed using Quick Exposure Check (QEC), and the Osipow occupational stress questionnaire, respectively.

RESULTS: The level of noise exposure and awkward posture were significantly associated with work- related stress.The relationship of gender with occupational stress was also statistically significant.

CONCLUSIONS: Considering that the noise exposure and work posture factors are important determinants of work-related stress, a combined approach to eliminate the levels of non-standard noise and inappropriate posture is essential for promoting psychological health in food companies.

PMID:36057807 | DOI:10.3233/WOR-210872

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Nevin Manimala Statistics

Micro-CT analysis of 3D printed provisional crowns fitting

Technol Health Care. 2022 Aug 26. doi: 10.3233/THC-220304. Online ahead of print.

ABSTRACT

BACKGROUND: The provisional crowns (PR) play an important role during the course of fixed prosthesis treatment. The fitting of PR varies and depends on various factors.

OBJECTIVE: The aim of the study was to evaluate the marginal and internal fit of PR produced by three-dimensional (3D) printing technique and to compare those with PR made by the milling technique by using micro computed tomography (μCT) on three commonly used finish line designs.

METHOD: Ninety study models were made using metal die of #14 tooth (i.e. maxillary 1st premolar molar) prepared for full veneer crown with three different finish line chamfer (C), rounded shoulder (RS) and rounded shoulder with bevel (RSB). PR was fabricated on each study model, using milling (MiL group, n= 45), and 3D printing technique (3D-P group, n= 45). Marginal and internal fit of each study model was measured by micro computed tomography, at 7 Zones Pr-1- Pr-7 on each finish line. Recorded data were statistically analysed by one-way analysis of variance (ANOVA) and using Dunnett t-Test (p> 0.05).

RESULTS: The mean gap at margins was minimum for provisional crowns in 3D-P group in any finish line with minimum in rounded shoulder with bevel at zone Pr-1 30.9 ± 5.3 and at zone Pr-7 32.7 ± 5.3. In the axial region, i.e. zone Pr-2, the smallest gap was recorded in the 3D-P group and in the occlusal region, for zone Pr-3, 4 and 5, the maximum gap was recorded in the MiL group.

CONCLUSION: The provisional crowns fabricated by 3D printed technique have better marginal and internal fit than the provisional crowns made by milling technique.

PMID:36057803 | DOI:10.3233/THC-220304

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Nevin Manimala Statistics

Potential role of dynein-related genes in the etiology of male infertility: A systematic review and a meta-analysis

Andrology. 2022 Sep 3. doi: 10.1111/andr.13287. Online ahead of print.

ABSTRACT

BACKGROUND: The dynein-related genes may have a role in the etiology of male infertility, particularly in cases of impaired sperm motility.

OBJECTIVES: The goal of this review is to compile a list of the most important dynein-related candidate genes that may contribute to male factor infertility.

MATERIALS AND METHODS: Databases were searched using the keywords “dynein”, “male”, “infertility” and by applying strict inclusion criteria. A meta-analysis was also performed by using the eligible case-control studies. The odd ratios (OR), the Z-test score, and the level of significance were determined using a fixed model with a p value of 0.05. Funnel plots were used to check for publication bias.

RESULTS: There were 35 studies that met the inclusion criteria. There were a total of fifteen genes responsible for the production of dynein structural proteins, the production of dynein assembling factors, and potentially associated with male infertility. A total of five case-control studies were eligible for inclusion in the meta-analysis. Variants in the dynein-related genes were linked to an increased the risk of male infertility (OR = 21.52, 95% Confidence Interval (CI) 8.34 – 55.50, Z test = 6.35, p < 0.05). The percentage of heterogeneity, I2 , was 47.00%. The lack of variants in the dynein genes was an advantage and this was statistically significant.

DISCUSSION: The results from the present review illustrate that pathogenic variants in genes both for dynein synthesis and for dynein assembly factors could be associated with isolated cases of male infertility without any other symptoms.

CONCLUSIONS: The genes addressed in this study, which are involved in both the production and assembly of dynein, could be used as molecular targets for future research into the etiology of sperm motility problems. This article is protected by copyright. All rights reserved.

PMID:36057791 | DOI:10.1111/andr.13287