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Respiratory Function in Children with Nephrotic Syndrome: Comparative evaluation of Impulse Oscillometry and Spirometry
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  • Fatih Kilci,
  • Zeynep Seda Uyan,
  • Mehtap Çelakıl,
  • Kenan Dogan,
  • Kenan Bek
Fatih Kilci
Kocaeli University

Corresponding Author:[email protected]

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Zeynep Seda Uyan
Koç University
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Mehtap Çelakıl
Kocaeli Universitesi Tip Fakultesi
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Kenan Dogan
Kocaeli University
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Kenan Bek
Kocaeli University
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Abstract

Abstract Aim: To evaluate the respiratory functions of children with nephrotic syndrome (NS) by IOS and its correlation with spirometry. Methods: Fifty-five NS patients aged 3–18 years were included as the study group and 40 healthy children of the same age formed the control group. Patients were divided into nephrotic phase (first attack and relapse) and remission. Demographic, anthropometric and laboratory data of the children were recorded. Respiratory functions were evaluated by IOS and spirometry. Children over 6 years old performed both IOS and spirometry while children under 6 years performed only IOS. Results: The R (R5%, R10%, R5-20) and AX and Z5% values of IOS in patients with nephrotic phase were higher than remission patients and control group while spirometry indices of FEV1%, FEV1/FVC, PEF% and MEF25-75% were lower. FEV1% showed negative correlation with R5%, R10%, R15%, X10% and X15% results, FEV1/FVC% showed negative correlation with R5%, R5-20 and X15% results, FVC showed negative correlation with X10% results, MEF25-75% showed negative correlation with, R5%, R10%, R5-20, X15%, F res, Z5% and AX results. Conclusion: Our study demonstrated that respiratory functions measured by IOS and spirometry were affected at the time of nephrotic phase in NS patients. And IOS, a novel method easily applicable even in small children, is a valuable and reliable tool to detect this condition; given its good correlation with spirometry. Keywords Nephrotic syndrome, Respiratory functions, Spirometry, Impulse Oscillometry
02 Mar 2021Submitted to Pediatric Pulmonology
03 Mar 2021Submission Checks Completed
03 Mar 2021Assigned to Editor
04 Mar 2021Reviewer(s) Assigned
22 Mar 2021Review(s) Completed, Editorial Evaluation Pending
26 Mar 2021Editorial Decision: Revise Major
02 Jun 20211st Revision Received
02 Jun 2021Submission Checks Completed
02 Jun 2021Assigned to Editor
02 Jun 2021Reviewer(s) Assigned
27 Jun 2021Review(s) Completed, Editorial Evaluation Pending
27 Jun 2021Editorial Decision: Revise Minor
01 Jul 20212nd Revision Received
02 Jul 2021Reviewer(s) Assigned
02 Jul 2021Submission Checks Completed
02 Jul 2021Assigned to Editor
14 Jul 2021Review(s) Completed, Editorial Evaluation Pending
16 Jul 2021Editorial Decision: Accept