Publications by authors named "Omer Faruk Ipek"

2 Publications

  • Page 1 of 1

Evaluation of sleep-disordered breathing and its relationship with respiratory parameters in children with mucopolysaccharidosis Type IVA and VI.

Am J Med Genet A 2021 May 7. Epub 2021 May 7.

Department of Pediatric Pulmonology, School of Medicine, Hacettepe University, Ihsan Dogramaci Children's Hospital, Ankara, Turkey.

The aims of the study were to evaluate the prevalence of sleep-disordered breathing (SDB) by using polysomnography (PSG) in children with MPS IVA and MPS VI who underwent enzyme replacement therapy (ERT) and to analyze the effect on SDB of having upper airway surgery, pulmonary functions, and exercise capacity. A retrospective cross-sectional study was conducted on patients with MPS IVA (n:17) and MPS VI (n:11) aged under 19 years who underwent polysomnography. Descriptive and nonparametric analyses were performed for demographic, PSG, pulmonary function and exercise capacity variables. The frequency of sleep apnea in the study sample was 85.7% (24/28). Four patients (14.3%) had no sleep apnea, 15 (53.6%) had mild, and nine (32.1%) had moderate-to-severe sleep apnea. Two patients (7.1%) had central sleep apnea and 22 had obstructive sleep apnea (OSA) (78.6%). Forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC) were negatively correlated to apnea-hypopnea index (AHI) (r = -0.594, p = .009; r = -0.636, p = .005, respectively). Despite ERT and previous upper airway surgery, the prevalence of OSA was high in patients with MPS IVA-MPS IV, emphasizing the importance of PSG screening for sleep disorders. Pulmonary function tests may be useful for predicting sleep apnea in patients with MPS IVA and MPS VI.
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May 2021

Penile involvement of immunoglobulin a vasculitis/Henoch-Schönlein purpura.

J Pediatr Urol 2021 Jan 22. Epub 2021 Jan 22.

Department of Pediatrics, Division of Rheumatology, Hacettepe University School of Medicine, Ankara, Turkey. Electronic address:

Background: Immunoglobulin A vasculitis/Henoch-Schönlein purpura (IgAV/HSP) is a leukocytoclasia vasculitis of childhood, predominantly affecting the skin, joints, gastrointestinal tract, and kidneys. The involvement of the penis is rare.

Objective: We aimed to describe this rare manifestation of IgAV/HSP and to review the previous studies, including similar cases.

Methods: Clinical data were reviewed for two children of penile involvement of IgAV/HSP in our hospital. More clinical cases were retrieved from the databases of PubMed/MEDLINE and Scopus from database inception to February 1, 2020.

Results: We presented two boys aged three and five years both of whom had penile lesions after presenting with the typical rash of IgAV/HSP on lower extremities. The penile lesions improved entirely in a few days without treatment in one and with corticosteroid treatment in the other. The literature review revealed 12 articles describing 20 patients with penile involvement of IgAV/HSP. The penile findings were edema, erythema, ecchymosis, purpuric rash, edema, color change, stiffness of the shaft or prepuce, and tenderness. Penile lesions appeared before the purpuric rash of IgAV/HSP in three of 22 patients. The penile involvement could make the diagnosis challenging especially if the penile lesions appear before the typical rash of the disease. The lesions improved entirely in the short term in all patients; in five without treatment in fifteen after corticosteroid or immunosuppressive drug treatment.

Conclusions: It is important to raise awareness about this rare manifestation among health care providers. It is not clear whether corticosteroid treatment should be initiated for treatment since it seems as a self-limited feature. Treatment with corticosteroids could be considered in the treatment of selected cases especially with systemic involvement.
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January 2021