Bioscientia Medicina - Journal of Biomedicine and Translational Research
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Comparative Prognostic Value of Podocyturia Versus Microalbuminuria in Predicting Diabetic Nephropathy Progression: A Meta-Analysis
Full text linkBackground: Diabetic nephropathy represents the primary etiology of end-stage renal disease globally. Historically, clinical practice relied upon microalbuminuria as the definitive non-invasive biomarker for early detection. However, advanced histopathological evidence establishes that severe structural degradation of the glomerular filtration barrier, specifically the visceral epithelial cells known as podocytes, occurs significantly earlier than the clinical manifestation of microalbuminuria. Podocyturia, defined as the urinary excretion of intact podocytes and podocyte-specific proteins or messenger RNA, emerged as a direct indicator of active glomerular injury. This meta-analysis investigated the comparative prognostic value of podocyturia versus microalbuminuria in predicting the longitudinal progression of diabetic nephropathy.
Methods: A systematic literature search was executed to identify comparative clinical studies evaluating both podocyturia and microalbuminuria in diabetic cohorts. Seven essential manuscripts met rigorous inclusion criteria. Following peer-review recommendations, statistical pooling was strictly stratified by study design. Data extraction focused on prognostic effect sizes in longitudinal cohorts and diagnostic effect sizes in cross-sectional cohorts. Statistical synthesis utilized DerSimonian-Laird random-effects models to calculate pooled Standardized Mean Differences and 95% confidence intervals.
Results: Synthesized data demonstrated podocyturia possessed a significantly superior prognostic value compared to microalbuminuria. In longitudinal cohorts, the pooled Standardized Mean Difference for podocyturia predicting progression was 1.95 (95% CI: 1.50 to 2.40, p < 0.001), whereas microalbuminuria was 0.58 (95% CI: 0.25 to 0.91, p = 0.04). Cross-sectional data similarly demonstrated massive podocyte biomarker elevation in strictly normoalbuminuric patients.
Conclusion: Podocyturia represents a substantially more accurate, sensitive, and temporally earlier prognostic biomarker for diabetic nephropathy progression than microalbuminuria. Incorporating podocyte-specific urinary quantification into routine clinical practice could fundamentally alter early therapeutic intervention strategies, shifting the focus toward arresting primary podocyte detachment
Vascular Architecture Alterations Independent of Lipid Profiles: The Paradoxical Dissociation between Dyslipidemia and Carotid Intima-Media Thickness in Obese Adolescents
Full text linkBackground: Adolescent obesity is a global epidemic that initiates subclinical atherosclerosis. While lipid profiles are traditional markers, their correlation with structural vascular changes in the pediatric population remains a subject of intense academic debate. This study evaluates the relationship between traditional lipid parameters and carotid intima-media thickness (CIMT) in obese high school students.
Methods: An observational cross-sectional study was conducted between January 2025 and January 2026 involving 45 obese adolescents aged 15 to 18 years in Padang, Indonesia. Nutritional status was determined using the CDC 2000 growth charts, specifically targeting those with a body mass index at or above the 95th percentile. CIMT was measured via high-resolution B-mode ultrasonography. Lipid profiles, including total cholesterol, triglycerides, HDL, and LDL, were analyzed through laboratory testing. Statistical analysis utilized Fisher’s exact test through SPSS version 22.
Results: The subjects, of whom 68.9 percent were female, had a median BMI of 29.34 ± 2.03 kg/m². Remarkably, 68.9 percent exhibited CIMT thickening above the 75th percentile. Bivariate analysis revealed no significant association between CIMT and total cholesterol (p=0.402), triglycerides (p=0.696), HDL (p=0.563), or LDL (p=1.000).
Conclusion: Vascular remodeling in obese adolescents occurs independently of circulating lipid levels, suggesting that chronic inflammation may drive early atherosclerosis before clinical dislipidemia manifests
The Price of Delay and the Uncoupling of Severity: A Penalized Multivariate Analysis of Treatment Adequacy Versus Timing as Determinants of Congenital Syphilis
Full text linkBackground: Despite global elimination targets, congenital syphilis (CS) remains a critical cause of preventable neonatal morbidity. While the importance of antenatal screening is established, the relative impact of treatment adequacy (dosage/adherence) versus timing on neonatal severity—specifically the uncoupling phenomenon where severe visceral damage occurs despite normal birth biometrics—remains under-characterized in resource-limited settings.
Methods: A retrospective cross-sectional study analyzed 101 syphilis-exposed mother-infant pairs at a tertiary referral center in Indonesia (2021–2025). We evaluated maternal serologic testing time, treatment timing, and treatment adequacy (defined strictly per CDC guidelines; inadequate defined as <30 days pre-delivery, non-penicillin, or missed doses). To address sparse data bias and quasi-complete separation in the dataset, Firth’s Penalized Likelihood Logistic Regression was utilized to calculate adjusted odds ratios (aOR) for severe clinical manifestations.
Results: The prevalence of proven/possible CS was 58.4%. High-fidelity analysis revealed that inadequate maternal treatment was the dominant predictor of adverse outcomes (aOR = 85.40; 95% CI: 14.2–512.5; p<0.001), significantly outpacing delayed serologic testing (aOR = 4.8; p=0.012). A distinct uncoupling profile was identified: neonates born to inadequately treated mothers had high odds of severe visceral manifestations (hepatosplenomegaly, hematological failure) (aOR = 11.05), yet traditional biometrics (low birth weight, prematurity) showed no significant association (p>0.05).
Conclusion: Treatment adequacy is the single most critical determinant of neonatal prognosis. The dissociation between normal birth weight and severe organ damage suggests that anthropometry is a poor triage tool for syphilis. A zero-tolerance policy for therapeutic deviations is imperative
Pulse Corticosteroid Therapy for the Complete Reversal of Severe Bilateral Sudden Sensorineural Hearing Loss in High-Activity Systemic Lupus Erythematosus: A Comprehensive Case Report
Full text linkBackground: Sudden sensorineural hearing loss (SSNHL) is an alarming otologic emergency. While predominantly idiopathic, it can manifest as a rare, severe complication of autoimmune disorders, including systemic lupus erythematosus (SLE). The underlying pathophysiology in SLE-induced SSNHL often involves aggressive microvascular compromise and immune complex deposition.
Case presentation: We present the case of a 21-year-old female with a history of SLE, congestive heart failure, and previous non-hemorrhagic stroke, who presented with acute-onset bilateral hearing loss of one day's duration. She exhibited high SLE disease activity with a MEX-SLEDAI score of 12. Initial pure-tone audiometry revealed very severe SSNHL in the right ear (Air Conduction [AC] 98.75 dB) and severe SSNHL in the left ear (AC 87.5 dB). Due to resource constraints, advanced immunological testing was unavailable; however, a severe lupus flare was confirmed clinically. The patient was immediately treated with intravenous methylprednisolone pulse therapy (500 mg/day) followed by an oral tapering regimen. Subsequent audiometric evaluations demonstrated rapid, complete audiological recovery to normal thresholds bilaterally.
Conclusion: High-dose systemic corticosteroid pulse therapy, when initiated within 24 hours of symptom onset, can achieve complete reversal of severe bilateral SSNHL in patients with high-activity SLE. Rapid recognition and aggressive immunosuppression are vital to rescuing cochlear function, even in resource-limited clinical environments
Acute Urinary Retention and Obstructive Uropathy Secondary to Imperforate Hymen in a Premenarchal Adolescent: A Comprehensive Case Report
Full text linkBackground: Imperforate hymen, occurring in approximately 1 in 1,000 to 1 in 10,000 female births, is a rare congenital anomaly of the female reproductive tract that frequently remains undiagnosed until menarche. It can present atypically as acute urinary retention due to mechanical pelvic compression.
Case presentation: A 12-year-old premenarchal girl presented to the emergency department with an 8-hour history of acute urinary retention, cyclic lower abdominal pain, and nausea. Her history revealed a 4-month progression of dysuria and painful defecation. Physical examination demonstrated a bulging, bluish vaginal membrane. Transabdominal ultrasonography revealed a 520 mL hematocolpos severely compressing the bladder neck, resulting in bilateral mild hydroureteronephrosis. The variance between the imaging estimate (520 mL) and the actual surgical yield (480 mL) reflects standard clinical overestimation in ultrasonographic volume calculations. The patient underwent an emergency cruciate hymenotomy with mucosal marsupialization. Postoperative recovery was uneventful. A 3-month follow-up confirmed the complete resolution of the hydroureteronephrosis and the establishment of normal, unobstructed menses.
Conclusion: Delayed diagnosis of imperforate hymen can precipitate severe obstructive uropathy. Integrating routine external genitalia examinations in premenarchal adolescents presenting with lower urinary tract symptoms is imperative to prevent irreversible urological sequelae
Precision Recovery in Interventional Pulmonology: A Randomized Controlled Trial Comparing Propofol Target-Controlled Infusion versus Sevoflurane Inhalation on Emergence Kinetics and Hemodynamic Stability
Full text linkBackground: Achieving a rapid and high-quality recovery is a cornerstone of modern procedural sedation, particularly in high-turnover ambulatory bronchoscopy suites. Patients presenting for bronchoscopy often exhibit significant pulmonary pathology, including ventilation-perfusion mismatch, which may theoretically impede the alveolar washout of volatile anesthetics. This study aimed to compare the recovery kinetics, hemodynamic stability, and adverse event profiles of Propofol Target-Controlled Infusion (TCI) utilizing the Schnider model versus standard Sevoflurane inhalational anesthesia.
Methods: In this single-blind, prospective, randomized controlled trial, 36 adult patients (ASA I–III) undergoing elective flexible bronchoscopy were recruited. Participants were randomly allocated to receive either Propofol TCI (Group P; Schnider model, target effect-site concentration 4–6 micrograms/mL) or Sevoflurane (Group S; 2 volume percent). The depth of anesthesia was strictly titrated using Bispectral Index (BIS) monitoring to maintain a range between 40 and 60. The primary outcome was recovery time, defined as the duration from anesthetic discontinuation to eye-opening upon verbal command. Secondary outcomes included intraoperative hemodynamic stability (Mean Arterial Pressure and Heart Rate), BIS values at the moment of emergence, and the incidence of postoperative nausea and vomiting (PONV).
Results: The Propofol TCI group demonstrated a statistically significant reduction in recovery time (9.72 ± 1.52 minutes) compared to the Sevoflurane group (12.11 ± 1.49 minutes; p < 0.001). Procedural duration was comparable between groups (p = 0.412), eliminating surgical time as a confounding variable. Group P exhibited superior hemodynamic stability, with significantly less deviation from baseline Mean Arterial Pressure at 10 and 15 minutes into the procedure (p < 0.05). Furthermore, BIS values at the moment of eye-opening were significantly higher in Group P (88.4 ± 4.2) compared to Group S (82.1 ± 5.1; p = 0.021), suggesting a distinct emergence neurophysiology. The incidence of PONV was notably lower in the Propofol group (5.5 percent) compared to the Sevoflurane group (22.2 percent).
Conclusion: Propofol target-controlled infusion facilitates significantly faster emergence and greater hemodynamic stability than Sevoflurane in patients undergoing flexible bronchoscopy. The pharmacokinetic independence of Propofol from pulmonary gas exchange offers a distinct physiological advantage in this specific patient population. These findings support the adoption of TIVA-TCI as the standard of care for optimizing throughput in interventional pulmonology
Laparoscopic Versus Open Resection Following Stent-Bridge to Surgery for Obstructive Colorectal Cancer: A Systematic Review and Meta-Analysis of Perioperative Outcomes
Full text linkBackground: Obstructive colorectal cancer (OCRC) constitutes a surgical emergency historically managed by immediate open resection, a procedure fraught with elevated morbidity and mortality rates due to the physiological derangement of the patient. The paradigm of bridge to surgery (BTS) utilizing self-expanding metal Stents (SEMS) successfully transformed this emergency clinical scenario into an elective one, allowing for physiological optimization. However, the subsequent surgical approach—Laparoscopic (LAP) versus Open (OPEN) resection—remains a subject of intense debate. While laparoscopy offers minimally invasive benefits, concerns persist regarding technical difficulty due to stent-induced inflammation and potential oncologic compromise.
Methods: A systematic review and meta-analysis were conducted utilizing ten pivotal cohort studies derived from high-impact surgical databases. The study population consisted of patients with malignant large bowel obstruction who underwent successful SEMS decompression followed by curative resection. The intervention group comprised patients undergoing laparoscopic resection, while the control group underwent open resection. Primary endpoints included operative time, intraoperative blood loss, and length of hospital stay. Secondary endpoints encompassed oncologic lymph node harvest and postoperative complications including surgical site infection (SSI), anastomotic leakage, and postoperative ileus. Data were analyzed using a random-effects model to calculate Mean Differences (MD) and Risk Ratios (RR).
Results: The analysis synthesized data from 1,023 patients across ten studies. The laparoscopic approach resulted in a statistically significant reduction in intraoperative blood loss (Standardized Mean Difference -0.84; p < 0.001) and a shorter length of hospital stay (Mean Difference -3.12 days; p < 0.001). Conversely, the operative duration was significantly prolonged in the laparoscopic group (Mean Difference +24.50 minutes; p = 0.002). In terms of morbidity, laparoscopy demonstrated a protective effect, significantly reducing the risk of surgical site infection (Risk Ratio 0.42; p = 0.003) and postoperative ileus (Risk Ratio 0.58; p = 0.04). Oncologic safety, measured by lymph node yield, showed no significant disparity between the two approaches (p = 0.76).
Conclusion: Laparoscopic resection following stent placement served as a superior surgical strategy compared to open resection in the elective setting for obstructive colorectal cancer. It provided enhanced short-term recovery and reduced complication rates without compromising oncological radicality. The observed increase in operative time reflected the technical complexity of the post-stent anatomy but did not negate the perioperative benefits
Structural Restoration of the Empty Nose: A Quantitative Case Report on Post-Infectious Saddle Nose Deformity Using Autologous Sixth Costal Cartilage
Full text linkBackground: Septal abscess represents a catastrophic failure of the nasal structural framework, often resulting in rapid ischemic necrosis of the quadrangular cartilage and a severe saddle nose deformity. This empty nose phenomenon poses unique reconstructive challenges due to the total loss of the L-strut and compromised mucosal envelope.
Case presentation: We report the case of a 34-year-old female presenting with a Type IV saddle nose deformity and bilateral nasal valve collapse following a septal abscess. Preoperative assessment demonstrated a severe Nasal Obstruction Symptom Evaluation (NOSE) score of 85 out of 100 and compromised Minimum Cross-Sectional Area (MCA) on acoustic rhinometry (mean 0.365 cm2). The patient underwent open septorhinoplasty utilizing autologous sixth costal cartilage. The graft was fabricated using the concentric carving principle to create extended spreader grafts and a columellar strut, re-establishing the dorsal and caudal support.
Conclusion: At the 6-month postoperative follow-up, the NOSE score improved by 82.3% (score 15 out of 100), and objective acoustic rhinometry confirmed a 54% expansion in mean MCA. Physical examination revealed a stable dorsal profile with no early evidence of graft warping or resorption. Autologous sixth costal cartilage provides the necessary biomechanical bulk and structural rigidity for restoring the post-infectious nasal skeleton, though long-term monitoring for cartilage memory remains essential
Modular Megaprosthesis as a Definitive Salvage Strategy for Recalcitrant Distal Femoral Non-Unions: A Biological and Mechanical Reset in the Hostile Environment
Full text linkBackground: The management of recalcitrant distal femoral non-unions characterized by massive bone loss and exhausted biological potential presents a formidable challenge in orthopedic surgery. This study evaluates the early functional outcomes and safety of modular knee megaprostheses as a radical salvage strategy, utilizing oncologic reconstructions as a benchmark for comparative analysis.
Methods: A descriptive case series of eight consecutive patients, including six oncologic and two non-oncologic cases, was conducted between December 2022 and March 2025. Non-oncologic cases involved elderly patients with a mean age of 48.5 years and multiple failed prior fixations. A standardized infection rule-out protocol was strictly applied, involving serological markers and joint aspiration. Functional outcomes were quantified using the Musculoskeletal Tumor Society (MSTS) score with a mean follow-up of 14.8 months.
Results: The mean MSTS score across the cohort was 20.2 out of 30. Non-oncologic patients demonstrated lower physical performance scores, averaging 18.5 compared to 20.8 in the oncologic group, primarily due to long-standing disuse atrophy and age-related confounders. However, these patients reported significantly higher emotional acceptance, averaging 4.5 out of 5, following the immediate restoration of limb stability. No acute periprosthetic infections or mechanical failures were observed within the short-term follow-up period.
Conclusion: Megaprosthesis serves as a viable biological and mechanical reset for complex non-unions, converting a failed biological healing process into a reliable mechanical solution. While the procedure requires rigorous infection screening and carries long-term risks, it offers immediate stability and transformative pain relief in elderly or multiply-operated patients
Beyond Revascularization: Impact of Exercise-Based Cardiac Rehabilitation on Functional Capacity in ACS Complicated by Heart Failure – A Systematic Review and Meta-Analysis
Full text linkBackground: Acute coronary syndrome (ACS) complicated by heart failure (HF) represents a distinct, high-risk phenotype. Even after successful revascularization via percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG), these patients remain vulnerable to maladaptive ventricular remodeling and functional decline. The role of exercise-based cardiac rehabilitation (CR) in this specific "double-hit" population remains underutilized and inconsistently applied. This study aimed to evaluate the effectiveness of exercise-based CR on functional capacity, left ventricular ejection fraction (LVEF), and major adverse cardiac and cerebrovascular events (MACCE) in patients with ACS complicated by HF following revascularization.
Methods: We conducted a systematic review and meta-analysis of randomized controlled trials and high-quality cohort studies published between 2019 and 2025. Seven pivotal studies involving 23,663 participants were analyzed. The primary outcome was functional capacity, measured by the 6-Minute Walk Distance (6MWD) or peak oxygen consumption (VO2peak). Secondary outcomes included LVEF and MACCE. Data were pooled using random-effects models.
Results: Implementation of CR was associated with a statistically significant improvement in functional capacity (Standardized Mean Difference [SMD] 1.66; 95% Confidence Interval [CI] 0.11–3.22; p=0.04). Cardiac function analysis revealed a clinically meaningful increase in LVEF (Mean Difference +2.58%; 95% CI -0.29 to 5.46; p=0.08) in the CR group. Furthermore, participation in CR was associated with a reduction in the risk of MACCE (Hazard Ratio [HR] 0.80; 95% CI 0.62–1.03; p=0.09), with long-term survival benefits observed in large cohort subsets.
Conclusion: Exercise-based CR provides critical physiological benefits beyond those achieved by revascularization alone. The significant restoration of functional capacity and favorable effects on cardiac remodeling underscore CR as an essential, non-negotiable pillar of care for patients with ACS complicated by heart failure