Impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults

This study was conducted to evaluate the impact of radiological anatomy of the lower calyx and stone size on lower pole stone clearance after extracorporeal shock wave lithotripsy (ESWL) in adults. We retrospectively evaluated 20 patients with age older than 18, who had ESWL at USM Hospital within 2...

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Main Author:	Chiang, Yoong Fei
Format:	Thesis
Language:	English
Published:	2012
Subjects:	R Medicine (General)
Online Access:	http://eprints.usm.my/60978/1/DR%20CHIANG%20YOONG%20FEI%20-%20e.pdf
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id	my-usm-ep.60978
record_format	uketd_dc
spelling	my-usm-ep.609782024-11-17T06:57:10Z Impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults 2012-05 Chiang, Yoong Fei R Medicine (General) RC71-78.7 Examination. Diagnosis Including raiography This study was conducted to evaluate the impact of radiological anatomy of the lower calyx and stone size on lower pole stone clearance after extracorporeal shock wave lithotripsy (ESWL) in adults. We retrospectively evaluated 20 patients with age older than 18, who had ESWL at USM Hospital within 25 months (September 2009 till September 2011) for radio-opaque lower pole calculi with the largest diameter up to 20mm. Stone size and lower pole anatomy, as defined by the infundibulopelvic angle, infundibular length and width were assessed in pre-ESWL intravenous urogram (IVU). All patients were treated with ESWL and outcome of the stone clearance were reviewed in KUB radiograph performed 1-4 months after the last ESWL. Only 10 patients (50%) of the study were stone-free after ESWL. Mean stone size and infundibular length were 14.36mm ± 3.98mm and 27.79mm ± 6.52mm respectively. Median infundibulopevic angle and infundibular width were 33.0° (IqR = 19.75°) and 4.90mm (IqR = 6.45mm) respectively. No statistically significant difference found in all IVU parameter means or medians between stone-free group and residual stone group. There was also no association of any IVU parameters with stone-free status. Stone size and lower calyceal anatomy have no significant impact on stone clearance after ESWL. However, further examination of the IVU parameters and further explore for other contributing factors are still warranted. 2012-05 Thesis http://eprints.usm.my/60978/ http://eprints.usm.my/60978/1/DR%20CHIANG%20YOONG%20FEI%20-%20e.pdf application/pdf en public masters Universiti Sains Malaysia Pusat Pengajian Sains Perubatan
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	R Medicine (General) R Medicine (General)
spellingShingle	R Medicine (General) R Medicine (General) Chiang, Yoong Fei Impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults
description	This study was conducted to evaluate the impact of radiological anatomy of the lower calyx and stone size on lower pole stone clearance after extracorporeal shock wave lithotripsy (ESWL) in adults. We retrospectively evaluated 20 patients with age older than 18, who had ESWL at USM Hospital within 25 months (September 2009 till September 2011) for radio-opaque lower pole calculi with the largest diameter up to 20mm. Stone size and lower pole anatomy, as defined by the infundibulopelvic angle, infundibular length and width were assessed in pre-ESWL intravenous urogram (IVU). All patients were treated with ESWL and outcome of the stone clearance were reviewed in KUB radiograph performed 1-4 months after the last ESWL. Only 10 patients (50%) of the study were stone-free after ESWL. Mean stone size and infundibular length were 14.36mm ± 3.98mm and 27.79mm ± 6.52mm respectively. Median infundibulopevic angle and infundibular width were 33.0° (IqR = 19.75°) and 4.90mm (IqR = 6.45mm) respectively. No statistically significant difference found in all IVU parameter means or medians between stone-free group and residual stone group. There was also no association of any IVU parameters with stone-free status. Stone size and lower calyceal anatomy have no significant impact on stone clearance after ESWL. However, further examination of the IVU parameters and further explore for other contributing factors are still warranted.
format	Thesis
qualification_level	Master's degree
author	Chiang, Yoong Fei
author_facet	Chiang, Yoong Fei
author_sort	Chiang, Yoong Fei
title	Impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults
title_short	Impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults
title_full	Impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults
title_fullStr	Impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults
title_full_unstemmed	Impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults
title_sort	impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Sains Perubatan
publishDate	2012
url	http://eprints.usm.my/60978/1/DR%20CHIANG%20YOONG%20FEI%20-%20e.pdf
_version_	1818647364142891008

Impact of lower calyceal anatomy and stone size on stone clearance after extracorporeal shock wave lithotripsy (eswl) in adults

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