Treatment of patients with staghorn calculi by means of extracorporeal shock wave lithotripsy (ESWL)
Kato, H.; Kinoshita, N.; Onishi, T.; Kurimoto, K.; Tochigi, H.; Kawamura, J.
Hinyokika Kiyo. Acta Urologica Japonica 39(11): 1103-1109
1993
ISSN/ISBN: 0018-1994 PMID: 8266886 Document Number: 420556
Between August, 1987 and December, 1991, 84 patients with 87 staghorn calculi were treated with extracorporeal shockwave lithotripsy (ESWL) using a Dornier HM-3 improved lithotriptor. Patients were 38 men (38 renal units, mean age 54.9 years) and 46 women (49 renal units, mean age 54.3 years). Staghorn calculi were divided into 2 types; 54 units of complete type (mean stone area 9.2 cm-2) and 34 units of incomplete type (mean stone area 5.5 cm-2). Patients with complete type were treated with 3.6 sessions and 7,779 shock waves on average and 31.6 days for hospitalization was required, while patients with incomplete type were treated with 2.4 sessions and 5,288 shock waves on average and 15.7 days for hospitalization was required. After treatment, the excellent rate was 47.2% for the complete type and 44.1% for the incomplete type. After the monotherapy of ESWL the excellent rate was 46.9% and after the combined therapy with percutaneous nephrolithotripsy (PNL) and/or percutaneous nephrostomy (PCN) it was 43.5%. We considered that the ESWL monotherapy for staghorn calculi was not feasible in patients with a large stone volume, with severe hydrocalices, with cystine stones and with so-called "complex staghorn calculi".