1.Analysis of a child with Osteo-oto-hepato-enteric syndrome and a literature review.
Dandan WANG ; Qianqian LI ; Hongxiang GUO ; Yongning CHEN ; Qingfei HAO ; Yanlei XU ; Xiuyong CHENG
Chinese Journal of Medical Genetics 2026;43(3):204-212
OBJECTIVE:
To analyze the phenotype and genotype of a neonate with Osteo-oto-hepato-enteric syndrome (O2HE) and review the literature.
METHODS:
A female neonate diagnosed with O2HE syndrome on December 13, 2024 at the First Affiliated Hospital of Zhengzhou University was selected as the study subject, and her clinical characteristics were analyzed, and pathogenic variants were explored by whole exome sequencing (WES). This study was approved by the Medical Ethics Committee of the Hospital (Ethics No.: 2025-KY-1038).
RESULTS:
The proband, a female infant, was delivered by Cesarean section at 36+1 weeks of gestation. Five days after birth, she had developed severe diarrhea, mild cholestasis, sensorineural hearing loss, and growth retardation. WES revealed that she has harbored novel compound heterozygous variants c.512delA (p.Lys171Serfs*64) and c.698C>A (p.Thr233Asn) of the UNC45A gene, which were inherited from her mother and father, respectively. A total of 8 English papers were retrieved, which involved 16 patients from 14 families. Combined with our case, the 17 patients included 13 (76.5%) females and 4 (23.5%) males. Four patients (23.5%) had consanguineous parents. One case was excluded from further genetic analysis due to co-morbidity with other genetic variants. The primary clinical features included diarrhea (87.5%), cholestasis (81.3%), sensorineural hearing loss (31.3%), bone fragility (37.5%), and developmental delay (50.0%). Bi-allelic compound heterozygous mutations were identified in 12 patients (75.0%), and homozygous variants in 4 (25.0%). These included missense, nonsense, frameshift and deletional variants. The c.710T>C (p.Leu237Pro) variant was identified for 5 times, 3 of which were in homozygote forms.
CONCLUSION
O2HE syndrome should be suspected in cases with diarrhea, cholestasis, and hearing abnormalities during early postnatal period. Genetic testing facilitate early identification, genetic diagnosis and treatment.
Humans
;
Female
;
Infant, Newborn
;
Male
;
Mutation
;
Hearing Loss, Sensorineural/genetics*
;
Diarrhea, Infantile/genetics*
;
Exome Sequencing
;
Phenotype
;
Fetal Growth Retardation
;
Hair Diseases
;
Facies
2.Flexible endoscopic management of foreign body ingestion in children: A ten-year single-center retrospective study in the Philippines.
Jeremiah C. Torrico ; Germana Emerita V. Gregorio
Acta Medica Philippina 2026;60(1):45-56
BACKGROUND AND OBJECTIVE
Foreign body (FB) ingestion is a common pediatric concern in the Philippines, but local studies on flexible endoscopic management are lacking. This study aimed to describe the clinical profile and outcomes of children referred for flexible endoscopic management and identify factors associated with poor outcomes.
METHODSThis retrospective cohort study included 145 patients aged
RESULTSMost FB ingestions (96.55%) were accidental, with coins as the most common FB (56.55%). Patients were admitted an average of 40.42 hours post-ingestion and referred for endoscopy within 9.28 hours. Flexible endoscopy was performed in 44.83% of cases, with a 98.46% success rate and an average procedure time of 32.25 minutes. Spontaneous passage occurred in 50.34% of cases. Poor outcomes were linked to age 48 hours; OR: 15.43, p = 0.0181), and prolonged procedures (>30 minutes; OR: 12, p = 0.0318). Good outcomes were associated with unremarkable physical exams (OR: 0.078; p = 0.0018), early admission (CONCLUSION
Flexible endoscopy is effective and safe for FB extraction in children. Early admission and timely intervention significantly improve outcomes, while delays and prolonged procedures increase the risk of complications.
Human ; Adolescent: 13-18 Yrs Old ; Child: 6-12 Yrs Old ; Foreign Bodies ; Endoscopy ; Child ; Retrospective Studies ; Aged ; Cohort Studies ; Eating ; Methods ; Numismatics ; Patients ; Philippines ; Physical Examination ; Time
3.The correlation between quality of life (QOL) and medication adherence to antihypertensive medications among middle-aged Filipino adults.
Aiella Antonia B. Recto ; Alexandria H. Requierme ; Katrina Nicole D. Requizo ; Armando Miguel I. Reyes ; Dean Adrian G. Reyes ; John Andrew N. Reyes ; Marcellus Francis L. Ramirez
Journal of Medicine University of Santo Tomas 2026;10(1):1837-1847
INTRODUCTION
Hypertension is a serious public health issue that puts individuals at risk for various morbidity and mortality indicators. One of the most crucial factors in managing blood pressure and preventing complications is medication adherence which is linked to several determinants. This study explored the correlation between medication adherence among middle-aged hypertensive adults and the different domains of quality of life (QOL), which includes physical, psychological, social relationship and environment.
METHODSThis cross-sectional study involved 96 Filipino residents of Brgy. San Jose, Navotas City aged 35 to 65 years old diagnosed with hypertension and prescribed anti-hypertensive medications. Pearson’s correlation coefficient was used to calculate the correlation between different domains of QOL as well as the overall QOL score.
RESULTSResults revealed a statistically significant but weak positive correlation between overall QOL and medication adherence (r = 0.336, p<0.001). Among the QOL domains, environmental domain had the strongest correlation with adherence (r = 0.446, p = 0.00), followed by physical health (r = 0.443, p = 0.01) and psychological well-being (r = 0.382, p = 0.01). The social relationship domain showed negligible correlation (r = 0.163, p = 0.4).
CONCLUSIONThe study demonstrates that while medication adherence is modestly associated with better perceived QOL, especially in physical, psychological and environmental aspects, other factors likely influence both outcomes. These findings highlight the need for holistic, community-based interventions that address not only medication adherence but also environmental and psychosocial barriers to care in managing hypertension.
Human ; Adult: 25-44 Yrs Old ; Middle Aged: 45-64 Yrs Old ; Aged: 65-79 Yrs Old ; Quality Of Life ; Public Health ; Medication Adherence ; Antihypertensive Agents ; Blood Pressure ; Interpersonal Relations
4.Determinants of age at adiposity rebound in Filipino pediatric outpatients of a University Hospital.
Emmanuel F. BARAQUEL ; Bernard Emil N. BARRERA ; Danica Louice S. BASILIO ; Aleeza Casey S. BATARA ; Serena Mey M. BAUTISTA ; Sean Kenneth N. BANTING ; Charles Dominic BARRIGA ; Eljon Valen C. BANIQUED ; Marichu J. DE CHAVEZ ; Leilani B. MERCADO-ASIS
Journal of Medicine University of Santo Tomas 2026;10(1):1848-1861
OBJECTIVES
Adiposity rebound (AR), the childhood period at which body mass index (BMI) rises from its lowest point, is linked to increased risk of later obesity. The study aims to determine the average age at AR, describe baseline characteristics and analyze the correlation between these characteristics and timing of AR in a population of Filipino pediatric outpatients.
DESIGNSeven subjects born between 2016 and 2019 from a University Hospital Outpatient Department participated in this cross-sectional analytic study. Childhood anthropometrics were retrospectively collected to determine the age at AR by plot visual inspection. Sex, birth weight and gestational age were obtained from hospital records; breastfeeding duration, maternal BMI, parental obesity, maternal age, maternal smoking, education, parity and family income were gathered through a questionnaire completed by mothers or guardians. Associations were assessed using bootstrap univariate linear regression.
RESULTSThe mean age at AR was 3.2 years (SD = 1.2). Vaginal delivery was significantly associated with later age at AR compared to cesarean section (p = 0.035). Socioeconomic status at ages 2 to 5 showed positive association with delayed AR. Higher monthly family income (≥₱19,000) at ages 2 to 5 years was significantly associated with delayed age at AR. Other baseline childhood and parental factors showed no significant correlation with age at AR.
CONCLUSIONThese results highlight the complex and context-dependent nature of AR, emphasizing the need for further studies to better understand and mitigate early obesity risk in Filipino children.
Human ; Young Adult: 19-24 Yrs Old ; Universities ; Regression (psychology) ; Hospital Records ; Gestational Age ; Body Mass Index ; Obesity, Maternal
5.Quality of care among patients with acute heart failure at the emergency room and adherence of physicians at the University of the Philippines – Philippine General Hospital to the division of cardiovascular medicine – heart failure pathway:A retrospective cohort study.
Mark John D. Sabando ; Felix Eduardo R. Punzalan ; Frances Dominique V. Ho ; Tam Adrian P. Aya-ay ; Kevin Paul Da. Enriquez ; Marie Kirk A. Maramara ; Ronald Allan B. Roderos ; Lauren Kay M. Evangelista
Acta Medica Philippina 2026;60(2):22-32
OBJECTIVES
Clinical pathways (CPs) ensure adherence to heart failure (HF) management guidelines. To optimize quality care in a low resource setting, an evidence-based care pathway for the management of acute HF was implemented at the emergency department (ED) of the Philippine General Hospital (PGH), the designated national tertiary hospital and referral center. This study aimed to describe the characteristics of adults with acute HF admitted at the ED and evaluate the quality of care they received, measured using physician adherence to the hospital’s acute heart failure CP.
METHODSThis was a retrospective, descriptive cohort study. We reviewed the inpatient charts of all adult patients with acute HF admitted to the ED of the PGH and referred to the Division of Cardiovascular Medicine between December 1, 2022 and May 31, 2023. Quality of care was assessed based on adherence to quality indicators adapted from routine and conditional order sets detailed in the pathway. Descriptive statistics was utilized to describe patient characteristics, quality of care, and outcomes.
RESULTSTwo hundred thirty-six (236) patients were included, with a mean age of 51.8 years. Majority were male (53.4%); hypertension (61.4%) and ischemic heart disease (53.8%) were the most common comorbidities, and infection the most common precipitant of decompensation (60.6%). There were optimal adherence rates to routine orders, which included referrals to Internal Medicine and Cardiology, baseline vital signs monitoring, fluid intake and output monitoring, chest radiograph, complete blood count, blood urea nitrogen, sodium, potassium, prothrombin time, partial thromboplastin time, arterial blood gas, urinalysis, and N-terminal pro b-type natriuretic peptide. Conditional orders, such as oxygen support, focused echocardiography, thyroid - stimulating hormone, and the use of vasopressors, diuretics, and venous thromboembolism prophylactic agents, were optimally performed when warranted. However, we noted suboptimal adherence to certain resource-intensive conditional orders, such as hourly monitoring of urine output (61.4%), hooking to cardiac monitor (53.8%), and performance of 12-lead ECG within 10 minutes (56.8%). Further, only 43.9% of patients were referred to the intensive care unit. Troponin I, calcium, magnesium, and albumin were ordered in excess.
CONCLUSIONOverall adherence rate of physicians to the hospital’s Acute Heart Failure Pathway was satisfactory. Work is needed to improve adherence to hourly urine output monitoring, consistent hooking to cardiac monitor, and timely performance of 12-lead ECG – an effort that begins with expanding in-hospital diagnostic equipment and human resource supply. We recommend continuous pathway implementation with periodic evaluation and stakeholder feedback to further improve quality of care.
Human ; Male ; Female ; Middle Aged: 45-64 Yrs Old ; Adult ; Albumins ; Blood ; Blood Urea Nitrogen ; Calcium ; Cardiology ; Chart ; Charts ; Cohort Studies ; Critical Care ; Critical Pathways ; Diagnostic Equipment ; Disease ; Diuretics ; Echocardiography ; Electrocardiography ; Emergencies ; Emergency Service, Hospital ; Equipment And Supplies ; Evaluation Studies As Topic ; Feedback ; Heart ; Heart Diseases ; Heart Failure ; Hormones ; Hospitals ; Hospitals, General ; Humans ; Hypertension ; Indicators And Reagents ; Infection ; Infections ; Inpatients ; Intensive Care Units ; Internal Medicine ; Lead ; Magnesium ; Male ; Medicine ; Myocardial Ischemia ; Natriuretic Peptide, Brain ; Natriuretic Peptides ; Nitrogen ; Overall ; Oxygen ; Partial Thromboplastin Time ; Patients ; Peptides ; Philippines ; Physicians ; Potassium ; Prothrombin ; Prothrombin Time ; Quality Of Health Care ; Referral And Consultation ; Sodium ; Statistics ; Tertiary Care Centers ; Thorax ; Thromboembolism ; Thromboplastin ; Thyroid Gland ; Time ; Troponin ; Troponin I ; Universities ; Urea ; Urinalysis ; Urine ; Venous Thromboembolism ; Vital Signs ; Work ; Workforce
6.Clinical, metabolic, and autoimmune characteristics of newly diagnosed young Filipino adults with diabetes mellitus.
Elizabeth Paz-Pacheco ; Angelique Bea C. Uy ; Angelique Love Tiglao-Gica ; Anna Elvira S. Arcellana ; Aura Bree Dayo-Lacdao ; Cynthia P. Cordero ; Cecilia A. Jimeno ; Ma. Cecille Añ ; onuevo-Cruz ; Noel R. Juban
Acta Medica Philippina 2026;60(2):41-49
OBJECTIVES
In Asia, younger individuals (below age 45) are diagnosed to have type 2 diabetes with increased rates of obesity defined by lower BMI yet with greater visceral adiposity (waist circumference and waisthip ratios). The prevalence data on type 1 diabetes is not well established, considered to be low, but is seen to be increasing as well. This changing phenotype therefore, presents a clinical dilemma in terms of correctly classifying diabetes and deciding on the consequent appropriate treatment. Distinguishing type 1 from type 2 diabetes has become more difficult with type 2 diabetes dramatically increasing in young adults and children. This study aims to define the characteristics of diabetes among young adults in the Philippines to provide a basis for appropriate management amidst changes in diabetes phenotypes seen globally.
METHODSIn this cross-sectional analytic study, we characterized the demographic, metabolic, and autoimmune features of diabetes among young adult Filipinos aged 18 to 45 years old consulting at a tertiary referral center in Manila, Philippines. Baseline serum A1c, FBS, 75-g oral glucose tolerance test, insulin, serum C-peptide, insulin autoantibodies, leptin, adiponectin, lipid profile, and thyroid function tests were obtained from the participants and analyzed. The homeostasis model assessment (HOMA) was used to estimate the insulin sensitivity.
RESULTSA total of 348 patients with diabetes were included, with females comprising two-thirds of the participants. The mean age at diagnosis of diabetes was 35.9±7.22 years. The mean BMI was 28.12 kg/m2, with median waist to hip ratio (WHR) of 0·93. Metabolic syndrome was found in 60% of participants and 67.82% were obese by body mass index. The mean A1c was 9.07±2.52%. Good glucose control (A1c less than 7.0%) was seen in 23% of participants while nearly half (48%) had HbA1c which was >9.0%. The median levels of fasting insulin and C-peptide were 12.62 (range 1.33–90.42) mIU/L and 0.78 ng/mL (range 0–16.2), respectively.
Included participants were diagnosed with diabetes within a year and as such, majority did not have any micro- or macrovascular complications. The most common diabetes complication was sensory neuropathy detected by monofilament testing, which was found in 28% of participants, followed by non-proliferative diabetic retinopathy in 13%. A history of previous diabetic ketoacidosis was found in 10 patients (2.87%). Glutamic acid decarboxylase (GAD) and insulin auto-antibodies were found in 3.2% and 19.3% of participants, respectively. Approximately half (51.73%) of the participants were insulin resistant by HOMA-IR.
CONCLUSIONIn contrast with Caucasians and other Asians, diabetes among young Filipino adults is associated with lower BMI but with a similarly high visceral adiposity as shown by an elevated WHR. Metabolic syndrome with insulin resistance as defined by a variety of indices is predominant. Type 1 diabetes with autoantibodies occur in only a small fraction of this population. Data derived from this work can provide a framework for cluster analysis towards personalized management specific to this population.
Human ; Acids ; Adiponectin ; Adiposity ; Adult ; Aged ; Antibodies ; Asia ; Asian ; Asian Continental Ancestry Group ; Autoantibodies ; Body Mass Index ; C-peptide ; Carboxy-lyases ; Child ; Cluster Analysis ; Demography ; Diabetes Complications ; Diabetes Mellitus ; Diabetes Mellitus, Type 1 ; Diabetes Mellitus, Type 2 ; Diabetic Ketoacidosis ; Diabetic Retinopathy ; Diagnosis ; Fasting ; Female ; Glucose ; Glucose Tolerance Test ; Glutamate Decarboxylase ; Glutamic Acid ; Insulin ; Insulin Resistance ; Ketosis ; Leptin ; Lipids ; Metabolic Syndrome ; Obesity ; Patients ; Peptides ; Phenotype ; Philippines ; Population ; Prevalence ; Serum ; Therapeutics ; Thyroid Gland ; Thyroid Function Tests ; Young Adult
7.Transcatheter Aortic Valve-in-Surgical Aortic Valve (TAV-in-SAV) for bioprosthetic valve dysfunction after modified bentall’s procedure: A case report.
Monica B. ALAGON ; Jessielyn SIA ; Timothy DY ; Aristides PANLILIO ; Nelson LEE
Philippine Journal of Cardiology 2026;54(S1):24-29
This is the case of a 62-year-old male with prior modified Bentall’s procedure using a 23-mm bioprosthetic valve last 2013 who came in with progressive heart failure symptoms. On physical examination, vital signs are stable. Physical exam revealed rhonchi on both lung fields and irregular rhythm with a grade 3 systolic ejection murmur at the aortic area. A 2-dimensional transthoracic echocardiogram showed an ejection fraction of 25%, aortic valve area of 1.0 cm2 and mean gradient of 21 mmHg consistent with severe low-flow, low-gradient aortic stenosis (AS). Options for re-do surgical aortic valve replacement (SAVR) were discussed. Since the patient was deemed high risk for another surgery, the option for transcatheter aortic valve in surgical aortic valve (TAV-in-SAV) was considered. The patient underwent successful TAV-in-SAV using a 26-mm self-expanding bioprosthetic valve. Post-procedure, there was significant improvement of functional capacity from class IV to class I.
Human ; Male ; Middle Aged: 45-64 Yrs Old ; World Health Organization ; Vital Signs ; Respiratory Sounds ; Research Report ; Physical Examination ; Constriction, Pathologic ; Aortic Valve Stenosis
8.Effect of Programmed Exercise through Telerehabilitation at Home on Visual Analogue Scale, Body Mass Index, and WOMAC among Patients with Obesity and Knee Osteoarthritis: A Quasi-Experimental Study
Binar Sasono ; Tirza Z Tamin ; Melinda Harini ; Maria Regina Rachmawati
Acta Medica Indonesiana 2026;58(1):44-51
Abstract
Background: This study aims to determine the effectiveness of programmed exercise with telerehabilitation at home in patients with obesity and knee osteoarthritis on visual analogue scale scores, body mass index, and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Methods: This research is a pre–post study in patients with obesity and knee osteoarthritis. Research subjects performed a series of exercise programs at home for 28 days. Before the program, there was an initial assessment from a psychologist and a nutritionist. During the program, there was tele-education, telemonitoring, and teleconsultation from doctors. Twenty-six female subjects participated. Results: Visual analogue scale scores decreased statistically significantly every week, until the end of the fourth week, compared with before the intervention (p<0.001). Body mass index and WOMAC scores decreased statistically significantly at the end of the fourth week compared with before the intervention (both p<0.001). Further analysis of all WOMAC components in the intervention group, including pain, stiffness, and physical function, also showed a statistically significant decrease (p<0.001). Conclusion: Programmed exercise as part of telerehabilitation at home has been statistically proven to reduce visual analogue scale scores, body mass index, and WOMAC in patients with obesity and knee osteoarthritis.
Telerehabilitation
;
Knee Osteoarthritis
;
Obesity
;
Body Mass Index
;
Visual Analogue Scale
;
WOMAC
9.Alterations of diffusion kurtosis measures in gait-related white matter in the "ON-OFF state" of Parkinson's disease.
Xuan WEI ; Shiya WANG ; Mingkai ZHANG ; Ying YAN ; Zheng WANG ; Wei WEI ; Houzhen TUO ; Zhenchang WANG
Chinese Medical Journal 2025;138(9):1094-1102
BACKGROUND:
Gait impairment is closely related to quality of life in patients with Parkinson's disease (PD). This study aimed to explore alterations in brain microstructure in PD patients and healthy controls (HCs) and to identify the correlation of gait impairment in the ON and OFF states of patients with PD, respectively.
METHODS:
We enrolled 24 PD patients and 29 HCs from the Movement Disorders Program at Beijing Friendship Hospital Capital Medical University between 2019 and 2020. We acquired magnetic resonance imaging (MRI) scans and processed the diffusion kurtosis imaging (DKI) images. Preprocessing of diffusion-weighted data was performed with Mrtrix3 software, using a directional distribution function to track participants' main white matter fiber bundles. Demographic and clinical characteristics were recorded. Quantitative gait and clinical scales were used to assess the status of medication ON and OFF in PD patients.
RESULTS:
The axial kurtosis (AK), mean kurtosis (MK), and radial kurtosis (RK) of five specific white matter fiber tracts, the bilateral corticospinal tract, left superior longitudinal fasciculus, left anterior thalamic radiation, forceps minor, and forceps major were significantly higher in PD patients compared to HCs. Additionally, the MK values were negatively correlated with Timed Up and Go Test (TUG) scores in both the ON and OFF in PD patients. Within the PD group, higher AK, MK, and RK values, whether the patients were ON or OFF, were associated with better gait performance (i.e., higher velocity and stride length).
CONCLUSIONS
PD exhibits characteristic regional patterns of white matter microstructural degradation. Correlations between objective gait parameters and DKI values suggest that dopamine-responsive gait function depends on preserved white matter microstructure. DKI-based Tract-Based Spatial Statistics (TBSS) analysis may serve as a tool for evaluating PD-related motor impairments (e.g., gait impairment) and could yield potential neuroimaging biomarkers.
Humans
;
Parkinson Disease/diagnostic imaging*
;
White Matter/physiopathology*
;
Male
;
Female
;
Middle Aged
;
Aged
;
Gait/physiology*
;
Diffusion Magnetic Resonance Imaging/methods*
;
Diffusion Tensor Imaging/methods*
10.Genders characteristics of aerobic endurance exercise performance and autonomic regulation in cold environments.
Peng HAN ; Yun-Ran WANG ; Yuan-Yuan LYU ; Li ZHAO
Acta Physiologica Sinica 2025;77(1):25-34
This study examined the regulatory effects of autonomic nervous system on aerobic endurance exercise performance in cold exposure, focusing on heart rate recovery (HRR) and heart rate variability (HRV) across genders. Thirty participants (17 males and 13 females) from a university track endurance program, classified as exercise grade II or above, underwent monitoring of HRV in time domain, frequency domain, nonlinear correlation indices and 1 min HRR. Measurements were taken before, during, and after aerobic endurance exercise in cold and normal environments, respectively. The results were as follows. (1) The duration of aerobic endurance exercise completed by all the subjects in cold environment was significantly increased compared with that in normal environment. The 1 min HRR after aerobic endurance exercise in cold environment was significantly lower than that in normal environment, and the decrease in the males was significantly higher than that in the females. (2) The time domain analysis results showed that, prior to the aerobic endurance exercise, there were no significant difference of standard deviation from the mean value of normal to normal intervals (SDNN), root mean square of successive differences (RMSSD), and percentage of adjacent normal-to-normal intervals differing by more than 50 ms (pNN50) between cold and normal environments. During aerobic endurance exercise in cold environment, SDNN, RMSSD and pNN50 were significantly higher than those in normal environment, with the females showing significantly greater increases compared with those of the males. The levels of SDNN, RMSSD and pNN50 in the males at different time points under different environments were significantly lower than those in the quiet state; The levels of SDNN and RMSSD of the females at different time points under different environments were significantly lower than those in the quiet state, while the pNN50 at different time points under cold environments was significantly lower than that in the quiet state. (3) Frequency domain analysis results showed that, prior to the aerobic endurance exercise, there was no significant difference of high frequency normalized units [HF (n.u.)], low frequency normalized units [LF (n.u.)] and LF/HF ratio between cold and normal environments. During aerobic endurance exercise in cold environment, the levels of HF (n.u.) significantly increased compared to normal environment in the females, while LF (n.u.) and LF/HF ratio levels significantly decreased compared to normal environments. The levels of HF (n.u.), LF (n.u.) and LF/HF ratio of different genders at different time points in the different environments showed no significant changes, compared to those in the quiet state. (4) Non-linear analysis results showed a significant increase in SD1 (standard deviation perpendicular to the line-of-identity)/SD2 (standard deviation along the line-of-identity) ratio during aerobic endurance exercise in cold environment in the females, while no significant changes were observed in the males. SD1/SD2 ratios in the males at different time points and in the females at 1 min under cold environments were significantly higher than those in the quiet state. These findings suggest that aerobic endurance performance increases during cold exposure, accompanied by gender-specific differences in the regulation of autonomic nervous system. Females exhibit higher vagal activity and faster autonomic nervous system recovery compared to males.
Humans
;
Male
;
Female
;
Heart Rate/physiology*
;
Cold Temperature
;
Exercise/physiology*
;
Physical Endurance/physiology*
;
Autonomic Nervous System/physiology*
;
Young Adult
;
Adult
;
Sex Factors


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