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Safety and efficacy of extracorporeal shock wave therapy (ESWT) in calcinosis cutis associated with systemic sclerosis


Blumhardt, Sandra; Frey, Diana P; Toniolo, Martin; Alkadhi, Hatem; Held, Ulrike; Distler, Oliver (2016). Safety and efficacy of extracorporeal shock wave therapy (ESWT) in calcinosis cutis associated with systemic sclerosis. Clinical and Experimental Rheumatology, 34 Suppl(5):177-180.

Abstract

OBJECTIVES: Calcinosis cutis is a frequent, difficult to treat manifestation of systemic sclerosis (SSc) associated with high morbidity. The aim of this prospective, controlled, monocentric study was to assess safety and efficacy of extracorporeal shock wave therapy (ESWT) for calcinosis cutis of the finger in SSc patients.
METHODS: A 12-week proof of concept study in which 4 SSc patients with calcinosis cutis were treated at one painful finger with high-energy, focused ESWT, in 3 sessions with one-week interval between each session. A second, untreated finger, served as control. The outcome parameters were: change in pain, change in size of calcification measured by ultrasound (US) and computed tomography (CT) and of the force by pressing the finger against a Dolorimeter.
RESULTS: Pain was reduced (by 91% and 60%) in the treated finger in two out of four patients. There was no change in the control fingers. The size of the calcinosis in the treated finger was reduced in three (US) and four patients (CT). Inter-assessor agreement was acceptable for US volume measures (ICC=0.863).
CONCLUSIONS: We could show promising evidence for safety and efficacy of ESWT for chronic, treatment resistant calcinosis cutis in SSc patients, thus justifying the initiation of larger multicentre controlled trials.

Abstract

OBJECTIVES: Calcinosis cutis is a frequent, difficult to treat manifestation of systemic sclerosis (SSc) associated with high morbidity. The aim of this prospective, controlled, monocentric study was to assess safety and efficacy of extracorporeal shock wave therapy (ESWT) for calcinosis cutis of the finger in SSc patients.
METHODS: A 12-week proof of concept study in which 4 SSc patients with calcinosis cutis were treated at one painful finger with high-energy, focused ESWT, in 3 sessions with one-week interval between each session. A second, untreated finger, served as control. The outcome parameters were: change in pain, change in size of calcification measured by ultrasound (US) and computed tomography (CT) and of the force by pressing the finger against a Dolorimeter.
RESULTS: Pain was reduced (by 91% and 60%) in the treated finger in two out of four patients. There was no change in the control fingers. The size of the calcinosis in the treated finger was reduced in three (US) and four patients (CT). Inter-assessor agreement was acceptable for US volume measures (ICC=0.863).
CONCLUSIONS: We could show promising evidence for safety and efficacy of ESWT for chronic, treatment resistant calcinosis cutis in SSc patients, thus justifying the initiation of larger multicentre controlled trials.

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Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic and Policlinic for Internal Medicine
04 Faculty of Medicine > University Hospital Zurich > Clinic for Diagnostic and Interventional Radiology
04 Faculty of Medicine > University Hospital Zurich > Rheumatology Clinic and Institute of Physical Medicine
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:3 August 2016
Deposited On:09 Aug 2016 09:45
Last Modified:08 Dec 2017 20:08
Publisher:Pacini Editore SpA
ISSN:0392-856X
PubMed ID:27494629

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