Nigerian Journal of Clinical Practice最新文献

{"title":"In-Vitro Comparison of Screw Loosening, Fracture Strength and Failure Mode of Implant-Supported Hybrid-Abutment Crowns and Screwmentable Crowns Manufactured with Different Materials.","authors":"I Çötert, M Ulusoy, A G Türk","doi":"10.4103/njcp.njcp_772_23","DOIUrl":"https://doi.org/10.4103/njcp.njcp_772_23","url":null,"abstract":"<p><strong>Background: </strong>Hybrid-abutment crowns and screwmentable crowns offer a fusion of the benefits from both screw and cement-retained restorations, potentially enhancing the overall performance of the restoration.</p><p><strong>Aim: </strong>This study aimed to evaluate the screw loosening and fracture strength of hybrid-abutment crowns and screwmentable crowns made with two different materials.</p><p><strong>Methods: </strong>Forty single-crown were made on titanium implants and divided into four groups (n = 10) [SM-Ti: Screwmentable titanium-porcelain crowns on stock titanium abutment; SM-Zr: Screwmentable zirconia-porcelain crowns on stock zirconia abutment; AC-Ti: Titanium-porcelain abutment crowns; AC-Zr: Zirconia-porcelain abutment crowns.] Specimens were torqued with 30 NCm and thermocycled between 5℃ and 55℃ in 20-second cycles for 5000 cycles. Removal torque values (RTV) were measured. Following the RTV measurement, the screws were changed with fresh screws and torqued again. Afterwards, specimens were loaded to fracture and fracture strengths were recorded, failure modes were examined.</p><p><strong>Statistical analysis used: </strong>Analysis of variance and Bonferroni test was performed.</p><p><strong>Results: </strong>The AC-Ti group displayed the highest mean torque loss (%20.09 ± 6.49) and the SM-Ti group displayed the lowest (%9.59 ± 8.84). Only the difference between AC-Ti and SM-Ti groups was found statistically significant, there are no significant differences between other groups. The fracture strengths are 385.84 ± 27.68 N, 313.18 ± 39.97 N, 272.69 ± 35.03 N, and 156.71 ± 19.83 N for AC-Ti, AC-Zr, SM-Ti, and SM-Zr groups, respectively and all differences were found to be statistically significant. Failures occurred as deformation in titanium components, whereas fractures were observed in zirconia components.</p><p><strong>Conclusion: </strong>Screw loosening was observed only in the AC-Ti group. No significant difference was observed among the torque loss values in the remaining groups. Titanium and zirconia materials do not exert any influence on screw loosening after thermal aging for hybrid-abutment crowns. Moreover, when assessing fracture strength, hybrid-abutment crowns exhibit superior strength and durability compared to screwmentable crowns.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"461-470"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144006548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Determinants of Exercise Capacity in Children and Adolescents with Asthma: A Comparative Case-Control Study.","authors":"M Kaya, H Ucgun, B G Karaaslan, A Kiykim, H D Kulli","doi":"10.4103/njcp.njcp_746_24","DOIUrl":"https://doi.org/10.4103/njcp.njcp_746_24","url":null,"abstract":"<p><strong>Background: </strong>Asthma is a chronic disease that may affect exercise capacity. Despite the variety of existing tools for assessing exercise capacity, whether patients with asthma have lower exercise capacity than healthy controls and its potential determinants are still poorly understood.</p><p><strong>Aim: </strong>The primary aim of this study was to identify potential determinants of exercise capacity. The secondary aim was to compare exercise capacity, pulmonary function, and muscle strength of children and adolescents with asthma with healthy controls.</p><p><strong>Methods: </strong>Volunteers aged 7-17 participated in the study and were divided into two groups: the asthma (n = 60) and the healthy control (n = 40). Asthma control questionnaire, six-minute walk test, pulmonary function test, maximum inspiratory (MIP) and expiratory (MEP) pressure measurements, and 30-second sit-to-stand test (30-STST) were performed.</p><p><strong>Results: </strong>The study showed that exercise capacity and respiratory and peripheral muscle strength were significantly lower compared to controls (P < 0.001, P = 0.031, P = 0.001, P = 0.025, respectively). Another critical finding was MIP, 30-STST, and MEP were the determinants of exercise capacity in children with asthma (R2 = 0.403, P < 0.001).</p><p><strong>Conclusion: </strong>Clinicians should not ignore that exercise capacity may be reduced in children and adolescents with asthma and add assessment and training of respiratory and peripheral muscle strength in pulmonary rehabilitation programs.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"531-538"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144023454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Performance of Serum Neutrophil-Gelatinase Associated Lipocalin (NGAL) in the Diagnosis of Pregnancy-Related Acute Kidney Injury (PRAKI) in Delta, State Nigeria: A Prospective Study.","authors":"E P Orhewere, A B Odonmeta, O A Adejumo, O C Okoye","doi":"10.4103/njcp.njcp_326_24","DOIUrl":"https://doi.org/10.4103/njcp.njcp_326_24","url":null,"abstract":"<p><strong>Background: </strong>Pregnancy-related acute kidney injury (PRAKI) is associated with poor maternal and perinatal outcomes if not promptly recognized. Diagnosis of PRAKI is currently based on serum creatinine, which delays diagnosis and, inevitably, treatment.</p><p><strong>Aims: </strong>To determine the performance of serum NGAL in the diagnosis of PRAKI among women in the peripartum period and determine the normal serum NGAL levels in nonpregnant women.</p><p><strong>Methods: </strong>A prospective study involving 162 pregnant women who presented in labor in two hospitals in Delta State and 150 nonpregnant controls. Serum creatinine and NGAL were assayed using blood samples collected from study participant at 0, 6, 12, 24, and 48 hours and 7 days postdelivery. Diagnosis of PRAKI was based on both serum creatinine and NGAL. The diagnostic performance of NGAL was determined by performing a receiver operation curve and determining the area under the curve (AUC).</p><p><strong>Results: </strong>The prevalence of AKI using creatinine-based KDIGO criteria was 22.2% and 50% using serum NGAL. The optimal diagnostic accuracy for serum NGAL was at the 12th hour, using a cut off of 142 ng/dl determined by Youden's index. The reference range for nonpregnant women was 12.77 - 135.67 ng/dl. The sensitivity and specificity of serum NGAL at a cut off 142 ng/ml were 77.2% and 75.4% (AUC = 0.79), respectively while using 135.67 ng/ml (upper limit determined from nonpregnant women) as cut-off, sensitivity was 77.78% and specificity was 70.63%.</p><p><strong>Conclusion: </strong>Serum NGAL is a promising marker for early diagnosis of PRAKI with high sensitivity and specificity.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"525-530"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144030077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Randomized Trial of Stair-Step Letrozole versus Traditional Letrozole for Subfertile Women with Polycystic Ovary Syndrome.","authors":"S Karakaya, Y Kumtepe, R A Al, Gnc Senocak, Ept Yılmaz","doi":"10.4103/njcp.njcp_516_24","DOIUrl":"https://doi.org/10.4103/njcp.njcp_516_24","url":null,"abstract":"<p><strong>Background: </strong>Traditional letrozole or clomiphene treatment is started on cycle days 3 to 5, following a spontaneous menses or progestin-induced bleeding. If ovulation does not occur, the dose is increased following a progestin-induced bleeding. An alternative stair step protocol has been described, and if ovulation does not occur in this protocol, a higher dose is used without inducing withdrawal bleeding. There is no randomized trial comparing the traditional and stair-step letrozole protocols yet.</p><p><strong>Aim: </strong>To compare the efficacy of traditional and stair-step protocols for ovulation induction using letrozole in women with polycystic ovary syndrome (PCOS).</p><p><strong>Methods: </strong>A total of 200 eligible women were given 5 mg/day letrozole, and those 80 who did not respond were randomized in a 1:1 ratio to stair-step or traditional letrozole therapy for up to 10 mg/day. For the traditional protocol, higher doses of letrozole were used in each new cycle if no ovulation occurred. For the stair-step protocol, higher doses of letrozole were given 7 days after the last dose if no dominant follicles were seen on ultrasonography. The PCOS was defined according to modified Rotterdam criteria. Participants were 18 to 35 years of age, had a body mass index of <40 kg/m2, had at least one patent fallopian tube, had a normal uterine cavity, and had normal spermiogram results.</p><p><strong>Results: </strong>The median follicle development time was significantly longer in the traditional protocol group than in the stair-step protocol group (41 days, 95% CI (40-42) vs 25 days, 95% CI (25-26); log rank 64; P < 0.001). Between traditional and stair step groups, the cumulative ovulation ratio (37/40 [%93] vs 36/40 [%90]; P = 1), endometrial thickness (9 [5-13] vs. 9 [5-11]; P = 0.005), mature follicule development (36/40 [%90] vs 36/40 [%90]; P = 0.549), pregnancy rates (3/40 [%8] vs 2/40 [%5]; P = 1), and antiestrogenic side effects were similar.</p><p><strong>Conclusions: </strong>The stair-step protocol shortens the treatment time without causing any detrimental effects on ovulation outcome.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"502-507"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144013204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Effects of \"Oral Administration of Breast Milk Droplets\" and \"Palatal Stimulation with a Finger\" Methods on Feed Tolerance in Preterm Newborns Fed via an Orogastric Tube: Randomized Controlled Trial.","authors":"C Tunç, A Kokcu Dogan","doi":"10.4103/njcp.njcp_558_24","DOIUrl":"https://doi.org/10.4103/njcp.njcp_558_24","url":null,"abstract":"<p><strong>Background: </strong>Infants should be provided with effective feeding skills with evidence-based care practices to ensure nutritional tolerance and maximize the growth and development in preterm infants.</p><p><strong>Aim: </strong>This study aimed to examine the effects of \"oral administration of breast milk droplets\" and \"palatal stimulation with a finger\" methods on feed tolerance in preterm newborns fed via an orogastric tube.</p><p><strong>Methods: </strong>This randomized controlled trial was conducted in the neonatal intensive care unit of a private hospital. The study included 90 premature newborns born at the 28th-36th gestational weeks and admitted to intensive care. We applied breast milk droplets inside the oral cavity of newborns (30) in one of the intervention groups and stimulated the palate of newborns (30) by using a finger in the other. We performed these interventions every 3 hours for 5 minutes at the feeding times of the newborns for 7 days. Babies in the control group were not applied any intervention. We used SPSS (Statistical Package for Social Sciences) 22.0 for Windows software for statistical analyses.</p><p><strong>Results: </strong>The number of defecations, frequencies of residuals, body weight, and abdominal circumference were significantly different between the groups (P < 0.05). The increments in body weight and reductions in abdominal circumference were significantly different between the groups in the study (P < 0.05).</p><p><strong>Conclusion: </strong>Palatal stimulation with a finger acted on feed tolerance more favorably than the oral administration of breast milk droplets or no intervention in preterm infants fed via OGT. We suggest primarily that palatal stimulation with a finger and secondarily the oral administration of breast milk droplets as the two methods to be employed to overcome feeding intolerance, which is a significant problem in premature infants.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"452-460"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144006288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical Research on Modified Postural Drainage for Secretion Clearance in Infants with Wheezing Bronchitis.","authors":"P Li","doi":"10.4103/njcp.njcp_812_24","DOIUrl":"https://doi.org/10.4103/njcp.njcp_812_24","url":null,"abstract":"<p><strong>Background: </strong>Wheezing bronchitis is common in infants and can lead to complications if not properly managed. Postural drainage is a standard technique for secretion clearance, but the optimal protocol remains debated.</p><p><strong>Aims: </strong>This study aims to assess the clinical efficacy and safety of a modified postural drainage nursing protocol for secretion clearance in infants with wheezing bronchitis.</p><p><strong>Methods: </strong>This prospective study included 104 infants (six months to three years) hospitalized with wheezing bronchitis between January 2023 and May 2024. Participants were randomly divided into two groups: observation (N = 52, modified protocol) and control (N = 52, conventional protocol). The modified protocol optimized drainage frequency, standardized position transitions, regulated rest periods, and included respiratory training. Key outcomes included the Modified Respiratory Sound Score (MRSS), symptom resolution, radiological improvements, and hospital stay duration.</p><p><strong>Results: </strong>On Day four, MRSSs were significantly lower in the observation group (2.2 ± 0.4) compared to the control group (3.5 ± 0.5, P < 0.001). Rhonchi, wheezing, and cough resolved more quickly in the observation group (P < 0.001 for all). Chest X-ray absorption rates were higher (88.5% vs. 80.8%, P = 0.035), and hospital stays were shorter (6.5 ± 1.2 vs. 8.5 ± 1.5 days, P < 0.001). Adverse event rates were similar (21.2% vs. 25.0%, P = 0.641).</p><p><strong>Conclusion: </strong>The modified protocol significantly improved secretion clearance, accelerated symptom resolution, and reduced hospital stays without compromising safety in infants with wheezing bronchitis.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"552-560"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144030053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of the Histopathological Characteristics and Expression of RIPK1 and NF- κB in Cervical Cancer in Kumasi, Ghana.","authors":"B M Duduyemi, E K Addae, K Bedu-Addo, E Atta Manu, F R Ngongou","doi":"10.4103/njcp.njcp_520_24","DOIUrl":"https://doi.org/10.4103/njcp.njcp_520_24","url":null,"abstract":"<p><strong>Background: </strong>Cervical cancer is the second most common cancer in Kumasi, Ghana. The fact that survival rates are low, despite the advances made in clinical management necessitates exploration of alternatives to improve survival.</p><p><strong>Aim: </strong>This study reviews the histopathological and molecular characteristics of cervical cancer in relation to Receptor Interacting Protein Kinase 1 (RIPK1) and Nuclear Factor kappa B (NF-κB), which are involved in the regulation of inflammation, cell death and cell survival.</p><p><strong>Materials and methods: </strong>The study reviewed 135 consecutive cases diagnosed from January 2015 to December 2016 in our centre. Clinicodemographic data were abstracted and suitable formalin fixed paraffin embedded (FFPE) tissue blocks were selected for tissue microarray construction and subsequent immunohistochemical assessment of RIPK1 and NF-κB expression. A statistical analysis of the data was done using SPSS version 26.</p><p><strong>Results: </strong>The mean age of the cases was 58.93 years with a standard deviation of 17.88. The histological type of most (96.3%) of the cases was the Squamous cell carcinoma (SCC). Majority (49.63%) of the cases were of histological grade 3, followed by grade 2 with 33.32% and grade 1 with 17.04% of cases. Both RIPK1 and NF-κB were highly expressed (56.6% and 69.3%, respectively) among the case. RIPK1 expression was significantly associated with NF-κB expression (P = 0.001).</p><p><strong>Conclusion: </strong>The significant co-expression of RIPK1 and NF-κB in the high-grade carcinomas suggest they are active in signalling pathways that supress apoptosis and enhance survival and/or proliferation.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"496-501"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144022919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring the Role of Sonication Fluid Culture in Periprosthetic Joint Infection: A Comparative Study with Conventional Methods.","authors":"M Erem, E Selçuk, M Ozcan, G Ozturk, C Eryıldız","doi":"10.4103/njcp.njcp_860_23","DOIUrl":"https://doi.org/10.4103/njcp.njcp_860_23","url":null,"abstract":"<p><strong>Objective: </strong>The aim of this study is to evaluate and compare the diagnostic effectiveness of sonication fluid culture (SFC) compared to conventional methods in identifying the causative microorganisms in periprosthetic joint infections.</p><p><strong>Methods: </strong>In this study, three cultures were evaluated for diagnosing periprosthetic joint infection intraoperative periprosthetic tissue culture, implant culture, and SFC. The sensitivity, specificity, and predictive values were calculated for each method, using the 2018 definition of periprosthetic hip and knee infection and clinical evaluation as references. Of the 92 patients who had implants removed, 49 were for mechanical reasons and 43 for infection.</p><p><strong>Results: </strong>Positive cultures were obtained in 13 out of 49 patients with mechanical issues and 31 out of 43 with infections. The sensitivity of periprosthetic tissue cultures (53.5%) is slightly higher than SFC (48.8%), suggesting better detection of positive cases. However, SFC's specificity (83.7%) is higher, indicating more accurate identification of negative cases compared to periprosthetic cultures (73.5%). However, SFC identified additional pathogens in patients with negative periprosthetic tissue and implant cultures. Examination of the infected knee and hip prostheses showed that SFC enhanced pathogen detection, particularly in patients with negative implant cultures. Despite this, SFC was not statistically superior to other methods.</p><p><strong>Conclusion: </strong>This study supports the combined use of periprosthetic tissue culture and SFC for identifying causative microorganisms in implant infections. Despite not being statistically superior, SFC provides additional pathogen detection, especially when other methods fail, thereby enhancing overall diagnostic accuracy.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"480-486"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144016969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Effect of Primigravida Pregnant Women's Spiritual Orientation on Their Childbirth Self-Efficacy Perceptions: A Cross-Sectional Survey Study.","authors":"A Kanbur, S E Sayar","doi":"10.4103/njcp.njcp_374_24","DOIUrl":"https://doi.org/10.4103/njcp.njcp_374_24","url":null,"abstract":"<p><strong>Background: </strong>Spirituality is an important aspect of health that can provide the individual with hope and relaxation along with meaning in life. Spirituality has an antistress effect during pregnancy.</p><p><strong>Aim: </strong>The study was conducted to examine the effect of primiparous pregnant women's spiritual orientation on their childbirth self-efficacy perceptions.</p><p><strong>Methods: </strong>A correlational survey model was used in the study. The research was conducted in a maternity hospital in eastern Türkiye between February and August 2021. 262 pregnant women who met the research criteria were included in the study. Collecting the data were used, Descriptive Information Form, Spiritual Orientation Scale, and Childbirth Self-Efficacy Inventory.</p><p><strong>Results: </strong>The mean spiritual orientation score of the pregnant women was 104.52 ± 9.95, and the mean childbirth self-efficacy total score was 253.10 ± 32.32. A significant positive relationship (r = 0.158, P = 0.011) was found between spiritual orientation and childbirth self-efficacy. Spiritual orientation significantly and positively predicted childbirth self-efficacy (β = 0.15, P < 0.05). Spiritual orientation explains 2.5% of the total variance in childbirth self-efficacy perception (R2= 0.025, adjusted R2= 0.021, F = 6.624, P < 0.05).</p><p><strong>Conclusion: </strong>In pregnant women, spiritual orientation increases childbirth self-efficacy. It is of great importance to consider and support spirituality in improving pregnant women's childbirth self-efficacy.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"446-451"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144013205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of Static Pupillary Parameters in Pediatric Patients with Vitamin B12 Deficiency.","authors":"Z Y Öztorun, G Y Biçer, K R Zor, F Kardaş","doi":"10.4103/njcp.njcp_641_24","DOIUrl":"https://doi.org/10.4103/njcp.njcp_641_24","url":null,"abstract":"<p><strong>Background: </strong>Automatic pupillometry device enables important information about pupillary function. Neurological manifestations such as autonomic dysfunction and ophthalmological disorders are observed in vitamin B12 deficiency (VB12D).</p><p><strong>Aim: </strong>To assess the static pupillary functions using a pupillometry device in pediatric patients with VB12D.</p><p><strong>Methods: </strong>The study included 40 children with VB12D and 40 healthy children in the control group. The measurements were made with an automated pupillometry under static conditions. The static measurements were performed at scotopic, mesopic, and photopic light intensities. The differences between the patient and control groups were analyzed with static measurements.</p><p><strong>Results: </strong>Pupillary diameters of the patient and control groups under scotopic, mesopic, and photopic conditions were observed and there was a statistically significant difference under the mesopic and photopic conditions. Under mesopic conditions: The mean pupil diameter was found to be 5.92 ± 0.69 mm in the VB12D group and 5.18 ± 0.91 mm in the control group (P = 0.003). Under photopic conditions, the mean pupil diameter was found to be 5.13 ± 0.77 mm in the VB12D group and 4.53 ± 0.96 mm in the control group (P = 0.001). Under scotopic conditions, the mean pupil diameter was 6.46 ± 0.68 mm in the VB12D group and 6.37 ± 0.93 mm in the control group. There was no statistically significant difference between the patient and control groups in the measurements under scotopic conditions (P = 0.63).</p><p><strong>Conclusion: </strong>Pediatric patients with VB12D have significantly larger pupil diameters in photopic and mesopic conditions than healthy children. The results suggest that there is an autonomic system dysfunction in children with VB12D, especially when the parasympathetic system is negatively affected. Pupillary contraction is reduced in children with VB12D. Decreased pupillary myosis function is observed. Pupillary size is larger in vitamin B12-deficient children under photopic and mesopic conditions.</p>","PeriodicalId":19431,"journal":{"name":"Nigerian Journal of Clinical Practice","volume":"28 4","pages":"539-544"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144038267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}