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Nevin Manimala Statistics

Investigating the relationship between social media use and the attitudes towards nutrition and body image shame among Iranian female students: A cross-sectional study

Medicine (Baltimore). 2025 Jan 24;104(4):e41383. doi: 10.1097/MD.0000000000041383.

ABSTRACT

Social media are Internet-based services that allow participation in online communities and exchanges. Considering the high and increasing statistics of the use of social media all over the world and its impact on people’s lives, the present study aimed to determine the relationship between social media and nutritional attitudes and body image shame among Iranian female students. This cross-sectional study was performed on 201 female student of Tehran University of Medical Sciences in Tehran, Iran from May to December 2023. Data collection was done using a paper form. Data collection tools included a questionnaire on demographic information, Jahanbani social media use questionnaire, nutrition attitude questionnaire (EAT-26), and Body Image Shame Questionnaire (BISS). SPSS software version 28 was used for the descriptive analysis of the data, to examine the relationships between the studied variables, and to measure and evaluate the accuracy of the AMOS model. Based on the reported results, the indicator of social media usage had a significant and positive direct effect on the attitude towards nutrition of students (P < .05). Additionally, social media usage had a significant and positive direct effect on the indicator of body image shame of students (P < .05). Furthermore, students’ attitude towards nutrition had a significant and positive effect on the indicator of body image shame of students (P < .001). The findings underscore the need for interventions that address the negative effects of social media on young women’s perceptions of their bodies and their relationship with food. By promoting media literacy, body positivity, and healthy nutritional attitudes, it is possible to mitigate the harmful effects of social media and support the well-being of young women.

PMID:39854752 | DOI:10.1097/MD.0000000000041383

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Effectiveness of regorafenib in second-line therapy for advanced hepatocellular carcinoma: A systematic review and meta-analysis

Medicine (Baltimore). 2025 Jan 24;104(4):e41356. doi: 10.1097/MD.0000000000041356.

ABSTRACT

BACKGROUND: In patients with advanced hepatocellular carcinoma (HCC) following sorafenib failure, regorafenib has been used as an initial second-line drug. It is unclear the real efficacy and safety of sorafenib-regorafenib sequential therapy compared to placebo or other treatment (cabozantinib or nivolumab or placebo) in advanced HCC.

METHODS: Four electronic databases (PubMed, Embase, Web of Science, and Ovid) were systematically searched for eligible articles from their inception to July, 2024. Included articles were selected based on strict eligibility criteria. Review Manager 5.4 software were performed for statistical analysis.

RESULTS: Ten studies with 2349 HCC patients of whom 1370 received regorafenib treatment, and 979 underwent cabozantinb, nivolumab or placebo were selected for meta-analysis. The results of our systematic review and meta-analysis found regorafenib could significantly prolong overall survival (standardized mean difference [SMD] = 0.16, 95% CI = 0.02 to 0.29, P = .02) than other treatment (cabozantinib or nivolumab or placebo) in second-line treatment of HCC following sorafenib failure. No significant difference in progression-free survival (SMD = -0.03; 95% CI = -0.13 to 0.06; P = .53), overall response rate (risk ratio [RR] = 0.59; 95% CI = 0.24 to 1.47; P = .26), disease control rate (RR = 1.23; 95% CI = 0.7 to 2.16; P = .48) between 2 groups. Subgroup analysis demonstrated that nivolumab has better overall response rate results than regorafenib (RR = 0.38; 95% CI = 0.24 to 0.61; P < .0001).

CONCLUSIONS: Compared with other treatment (cabozantinib or nivolumab or placebo), regorafenib seemed to be more effective for patients with HCC who have not responded to initial sorafenib treatment.

PMID:39854748 | DOI:10.1097/MD.0000000000041356

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Nevin Manimala Statistics

Associations of cathepsins with pulmonary arterial hypertension mediated by circulating metabolites: A Mendelian randomization study

Medicine (Baltimore). 2025 Jan 24;104(4):e41405. doi: 10.1097/MD.0000000000041405.

ABSTRACT

The correlation between cathepsins and pulmonary arterial hypertension (PAH) is well-established, but the causative link between them remains uncertain. This study aimed to explore the causal role of circulating metabolites mediating cathepsins in PAH using Mendelian randomization (MR). A 2-sample 2-step MR method was used to identify causal relationship between cathepsins and PAH; causal relationship between circulating metabolites and PAH; and mediated effects of these circulating metabolites. GWAS summary statistics on circulating metabolites were from the Canadian longitudinal study on aging cohort, human plasma cathepsins from The INTERVAL study, and PAH from FinnGen version R10. Two-sample MR analyses involving 9 cathepsins (cathepsin B, E, F, G, H, L2, O, S, and Z). Cathepsin S was associated with high risk of PAH (OR: 1.346, 95% CI: 1.039-1.742, P = .024), and positively with circulating metabolite 1-oleoylglycerol (18:1) levels (OR: 1.062, 95% CI: 1.018-1.108, P = .005). Finally, mediation analysis showed evidence of mediated effect of cathepsin S on PAH through 1-oleoylglycerol (18:1) levels (OR: 0.062, CI: 0.0183-0.106) with a mediated proportion of 20.9% of the total effect. This study reveals cathepsin S increases the risk of PAH mediating by circulating metabolite 1-oleoylglycerol (18:1) levels.

PMID:39854747 | DOI:10.1097/MD.0000000000041405

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Efficacy of wound care ointment in healing infectious wounds after anorectal surgery: A randomized controlled trial

Medicine (Baltimore). 2025 Jan 24;104(4):e41347. doi: 10.1097/MD.0000000000041347.

ABSTRACT

BACKGROUND: This study evaluates the efficacy of a novel bismuth subgallate-borneol compound ointment as an adjuvant therapy in promoting postoperative healing of infectious incisions after anorectal surgery.

METHODS: From June 2023 to October 2023, 46 patients with perianal abscess and anal fistula treated at our institution’s Anorectal Surgery Department were enrolled in this prospective randomized controlled study. Patients were randomly allocated into 2 groups: the experimental group (n = 23) received conventional wound care plus a proprietary ointment containing 4.5% bismuth subgallate and 0.7% d-borneol in a Vaseline base, while the control group (n = 23 cases) received conventional wound care alone (comprising daily wound cleansing, dressing changes and traditional Chinese medicine injection). Image J Software was used for collecting the data of wound area, and the wound healing rate and granulation growth rate of the 2 groups were calculated to evaluate the therapeutic effect of the 2 groups.

RESULTS: The growth rate of cured granulation in the experimental group was higher than that in the control group at all 3 predetermined observation points, with statistically significant difference (P < .05). Furthermore, the wound healing rate of the experimental group showed significant improvement by day 14 (P < .05).

CONCLUSION: The bismuth subgallate-borneol compound ointment, when used as an adjuvant to standard wound care protocols, demonstrates significant efficacy in treating post-anorectal surgery infectious wounds. Its dual-active component formulation appears to effectively promote both granulation tissue formation and wound healing, potentially through its documented antibacterial properties.

PMID:39854746 | DOI:10.1097/MD.0000000000041347

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The effect of dynamic neuromuscular stabilization technique combined with Kinesio Taping on neuromuscular function and pain self-efficacy in individuals with chronic nonspecific low back pain: A randomized trial

Medicine (Baltimore). 2025 Jan 24;104(4):e41265. doi: 10.1097/MD.0000000000041265.

ABSTRACT

BACKGROUND: This study investigates the therapeutic efficacy of dynamic neuromuscular stabilization (DNS) technology paired with Kinesio Taping in patients with persistent nonspecific low back pain, as well as the effect on neuromuscular function and pain self-efficacy.

METHODS: A randomized controlled clinical study was conducted to collect clinical data on DNS combined with KT for the treatment of chronic nonspecific low back pain from November 2023 to April 2024. The inclusion criteria were patients with chronic nonspecific lower back pain, aged between 18 and 30 years old, and without serious underlying medical conditions, such as cardiac disease, hypertension, and diabetes. The control group received Kinesio Tape therapy, and the experimental group received a combination of Kinesio Tape therapy and DNS technology. The treatment lasted for 6 weeks, 3 times a week. Patients were examined before and after treatment using the Visual Analog Rating Scale, Oswestry Dysfunction Score, and Pain Self-Efficacy Questionnaire. Multifidus and transversus abdominis muscle strength was tested using surface electromyography signals, and the patient’s joint mobility, maximal isometric muscle strength, and muscular endurance were tested using the Davy Spine Rehabilitation System. Internal lumbar and abdominal pressures were assessed using stabilizer pressure biofeedback.

RESULTS: A total of 32 subjects (17 males and 15 females) were enrolled, of which 16 were in the experimental group and 16 in the control group. After the treatment, the patients in both groups showed significant improvements in the visual analogue scale, Oswestry disability index, Chinese version of Pain Self-Efficacy Questionnaire (PSEQ), joint mobility, maximum isometric strength, muscle endurance, abdominal pressure, transverse abdominal muscle and multifidus muscle scales compared with the pretreatment results. (Chinese version of Pain Self-Efficacy Questionnaire) scales were significantly improved compared with the pretreatment; joint mobility, maximal isometric muscle strength, muscular endurance, intra-abdominal pressure, transversus abdominis and multifidus AEMG (average electromyography) were more significantly improved, and the differences were statistically significant (P < .05). The experimental group showed more significant improvement than the control group (P < .05).

CONCLUSION: DNS technology paired with Kinesio Taping can considerably improve neuromuscular function and enhance pain self-efficacy in chronic nonspecific low back pain patients, reducing discomfort and improving dysfunction.

PMID:39854745 | DOI:10.1097/MD.0000000000041265

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Evaluation of the effect of carotid sinus blockade on hemodynamic stability in carotid surgery: A retrospective study

Medicine (Baltimore). 2025 Jan 24;104(4):e41353. doi: 10.1097/MD.0000000000041353.

ABSTRACT

This study assesses the effect of carotid sinus blockade applied with a local anesthetic on hemodynamic parameters during carotid endarterectomy (CEA) operations performed under general anesthesia. The medical records of patients who underwent CEA under general anesthesia between January 2020 and December 2022, were retrospectively reviewed. It was recorded whether the patients received carotid sinus block with 2 mL of 2% prilocaine. Intraoperative and 48-hour postoperative hemodynamic data were examined in the patients included in the study. A total of 129 patients were evaluated in the study, with 70 patients who received carotid sinus blockade (Group I) and 59 patients who did not receive blockade (Group II) during CEA. The comparison of heart rate variability immediately before clamping, immediately after clamping, and at 5, 10, and 20 minutes post-clamping indicated a significantly greater reduction in Group II compared to Group I (P < .05). In the postoperative period, the total dose of glyceryl trinitrate administered was 40.8 ± 31.9 mg in Group I and 53 ± 17.2 mg in Group II, showing a statistically significant difference (P = .001). Additionally, blood pressure measurements during this period were significantly higher in Group II than in Group I (P < .05). While the application of a local anesthetic during CEA appears to provide better intraoperative heart rate and postoperative blood pressure control, attributing these results solely to local anesthesia may not be entirely accurate. Hemodynamic instability observed during and after CEA is influenced by various factors.

PMID:39854738 | DOI:10.1097/MD.0000000000041353

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Nevin Manimala Statistics

Direct and indirect association of domestic violence against women and severe maternal morbidity: A case-control study

Medicine (Baltimore). 2025 Jan 24;104(4):e41268. doi: 10.1097/MD.0000000000041268.

ABSTRACT

This study aimed to investigate the direct association between domestic violence and the indirect association of exposure through pregnancy, delivery, and neonatal risk factors with severe maternal morbidity (SMM). The target population of this case-control study included all women who gave birth in the hospitals of the Torbat Heidarieh University of Medical Science from June 2018 to May 2020. A total of 123 mothers with SMM according to the World Health Organization criteria were selected as cases, and 127 mothers who did not meet the World Health Organization criteria were included in the control group. Data were analyzed using Stata 14 and mediation packages with a counterfactual approach. The odds ratio of the pure direct effect of physical violence on SMM through pregnancy and neonatal risk factors is 2.26 and 2.29, respectively. The odds ratio of the pure direct effect of social violence on SMM through pregnancy, delivery, and neonatal risk factors was 2.54, 2.67, and 2.57, respectively, and that for economic violence through neonatal risk factors was 1.99. Additionally, the interaction between physical and social violence and pregnancy risk factors increased the risk of severe maternal morbidity by 394.6% and 360%, respectively. Domestic violence against women is directly associated with severe maternal morbidity. Physical and social violence showed a significant interaction with severe maternal morbidity. A preventive program for domestic violence should be considered an effective intervention to prevent severe maternal morbidity and improve the health of mothers by implementing control strategies.

PMID:39854735 | DOI:10.1097/MD.0000000000041268

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Parental Mental Health and Child Maltreatment in the COVID-19 Pandemic: Importance of Sampling in a Quantitative Statistical Study

J Med Internet Res. 2025 Jan 24;27:e52043. doi: 10.2196/52043.

ABSTRACT

BACKGROUND: Results on parental burden during the COVID-19 pandemic are predominantly available from nonrepresentative samples. Although sample selection can significantly influence results, the effects of sampling strategies have been largely underexplored.

OBJECTIVE: This study aimed to investigate how sampling strategy may impact study results. Specifically, we aimed to (1) investigate if outcomes on parental health and child maltreatment during the COVID-19 pandemic from a convenience sample differ from those of a specific representative sample and (2) investigate reasons for differences in the results.

METHODS: In 2020, we simultaneously conducted 2 studies: (1) a web-based survey using a convenience sample of 4967 parents of underage children, primarily recruited via social media, and (2) a study using a quota sample representative of the German adult population with underage children (N=1024), recruited through a combination of telephone interviews and computer-assisted web interviews. In both studies, the same questionnaire was used. To evaluate the impact of sampling, we compared the results on outcomes (parental stress, subjective health, parental mental health, general stress, pandemic-related stress, and the occurrence of child maltreatment) between the 2 samples. To explain differences in the results between the 2 studies, we controlled for sociodemographic data, parent-related risk factors, and COVID-19-related experiences.

RESULTS: Compared to parents from the quota sample, parents from the convenience sample reported significantly more parental stress (η2=0.024); decreased subjective health (η2=0.016); more anxiety and depression symptoms (η2=0.055); more general stress (η2=0.044); more occurrences of verbal emotional abuse (VEA; φ=0.12), witnessing domestic violence (WDV; φ=0.13), nonverbal emotional abuse (NEA; φ=0.03), physical abuse (φ=0.10), and emotional neglect (φ=0.06); and an increase of child maltreatment (VEA: exp(B)=2.95; WDV: exp(B)=3.19; NEA: exp(B)=1.65). Sociodemographic data, parent-related risk factors, and COVID-19-related experiences explained the differences in parental stress (remaining difference between samples after controlling for covariates: η2=0.002) and subjective health (remaining difference between samples after controlling for covariates: η2=0.004) and partially explained differences in parental mental health (remaining: η2=0.016), general stress (remaining: η2=0.014), and child maltreatment (remaining: VEA: exp(B)=2.05 and WDV: exp(B)=2.02) between the 2 samples. The covariates could not explain the difference in NEA (exp(B)=1.70). We discuss further factors that may explain the unexplained differences.

CONCLUSIONS: Results of studies can be heavily impacted by the sampling strategy. Scientists are advised to collect relevant explaining variables (covariates) that are possibly related to sample selection and the outcome under investigation. This approach enables us to identify the individuals to whom the results apply and to combine findings from different studies. Furthermore, if data on the distribution of these explanatory variables in the population are available, it becomes possible to adjust for sample selection bias.

PMID:39854726 | DOI:10.2196/52043

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Nevin Manimala Statistics

Establishment of critical values for AMH screening with PCOS based on restricted cubic spline plots

Endocr Connect. 2025 Jan 1:EC-24-0522. doi: 10.1530/EC-24-0522. Online ahead of print.

ABSTRACT

BACKGROUND: The aim is to develop age-specific anti-Müllerian hormone screening criteria for polycystic ovary syndrome to facilitate the early detection and diagnosis of the condition, and to subsequently evaluate the screening criteria.

METHODS: A retrospective analysis was performed on patient data from Hangzhou Women’s Hospital between July 2021 and August 2024. The use of restricted cubic spline analysis helped identify age-related inflection points, which were crucial for segmenting the patient population. Statistical analysis was conducted using SPSS software, and the receiver operating characteristic curve was employed to determine the area under the curve, optimal anti-Müllerian hormone screening thresholds, sensitivity, specificity, Youden index, correct diagnosis rate, positive likelihood ratio, and negative likelihood ratio. The established age-related anti-Müllerian hormone screening criteria for polycystic ovary syndrome were then validated using a separate validation group. The consistency of the polycystic ovary syndrome age-related anti-Müllerian hormone screening test with the 2003 Rotterdam polycystic ovary syndrome diagnostic criteria was assessed using the Kappa statistic.

RESULTS: The derived age-specific anti-Müllerian hormone screening thresholds for polycystic ovary syndrome were as follows: ≥5.65 ng/ml (20-27-year-old), ≥5.06 ng/ml (28-30-year-old), and ≥4.19 ng/ml (31-39-year-old).

CONCLUSION: The age-stratified anti-Müllerian hormone screening criteria demonstrated high sensitivity, specificity, and accuracy in identifying polycystic ovary syndrome, indicating a strong predictive value. However, the development of more robust and universally applicable diagnostic criteria for polycystic ovary syndrome will require additional multicenter, prospective clinical trials for further validation.

PMID:39854723 | DOI:10.1530/EC-24-0522

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Imaging characteristics and treatment of recurrent germinoma

J Neurosurg. 2025 Jan 24:1-10. doi: 10.3171/2024.8.JNS241097. Online ahead of print.

ABSTRACT

OBJECTIVE: An MRI protocol for germinoma surveillance after complete remission has not been established. Moreover, the standard treatment for recurrent or refractory germinoma has not been determined. In this study, the authors explored the imaging characteristics of recurrent germinoma and discuss their institution’s experience with multidisciplinary treatment of this malignancy.

METHODS: The medical records of 16 patients (14 male, 2 female) with recurrent germinoma and 62 patients (52 male, 10 female) without recurrence who were treated at the authors’ institution between 1989 and 2023 were retrospectively examined. Data including diagnostic imaging, tumor markers, treatment at diagnosis and recurrence, and overall survival were collected from patients’ medical records and statistically analyzed.

RESULTS: No patients with recurrence received craniospinal irradiation (CSI) as an initial therapy, and local irradiation was a significant risk factor of recurrence (p = 0.0072). The period between the start of first-line treatment and confirmation of the first recurrence ranged from 4.2 to 272 months (median 66.8 months). Among the recurrences, 13 tumors occurred outside the radiation field, including 6 cases of spinal cord/canal recurrence. One-third of patients did not exhibit elevated tumor marker levels in the serum. Fourteen patients had contrast-enhanced recurrent lesions. In the 2 patients with non-contrast-enhanced lesions, recurrence was detected by high signal intensity on diffusion-weighted imaging (DWI) and elevated tumor marker levels in CSF. Fifteen patients received chemotherapy for the first recurrence, and 14 received radiation therapy, with 9 receiving CSI. The patients who received CSI survived without further recurrence during the study period. However, the median progression-free survival and overall survival after the first recurrence among patients who did not undergo CSI were 12.2 and 37.4 months, respectively, which were shorter than those for patients treated with CSI (both p < 0.01, log-rank test).

CONCLUSIONS: Spinal MRI for surveillance in patients with recurrent germinoma, especially for those who do not receive CSI, is recommended. DWI might be useful for detecting recurrent germinoma. Aggressive treatment at the time of recurrence is crucial, and even if remission is achieved with chemotherapy, CSI for consolidation is important to prevent further recurrence.

PMID:39854721 | DOI:10.3171/2024.8.JNS241097