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2cm未満の腎/尿管結石の治療を目的とした2つの低侵襲手技の直接/間接コストの比較分析
Comparative analysis of direct and indirect costs of two minimally invasive techniques for the treatment of renal/ureteral calculi smaller than 2 cm.
PMID: 32593640 DOI: 10.1016/j.acuro.2020.03.008.
抄録
目的:
2cm未満の腎/尿管結石の治療のための2つの低侵襲手技(体外衝撃波結石破砕術(ESWL)対ホルミウムレーザーを用いた尿管鏡検査(URS/RIRS))の間接費用と直接費用の比較分析を行うこと。
OBJECTIVE: To perform a comparative analysis of indirect and direct costs of two minimally invasive techniques (extracorporeal shock wave lithotripsy (ESWL) vs. ureteroscopy with holmium laser (URS/RIRS)) for the treatment of renal/ureteral calculi smaller than 2 cm.
材料と方法:
2016年1月から12月までの間に2cm未満の腎結石の治療を受けた84例を対象としたプロスペクティブ比較無作為化試験。このうち、38例(45.67%)がESWL(腎結石18例、尿管結石20例)、46例(54.32%)がURS/IRS(腎結石22例、尿管結石24例)で治療を受けた。URS/RIRS群19例(41.3%)、ESWL群15例(39.5%)の合計で、治療前に活発に活動していた。解析した変数は、性、年齢、リチア症の数と規模、治療による休業時間(日数)、労働生産性の低下による間接的なコストの推定値、フォローアップを含む直接的な治療費(処置、付随的ケア、通院、診断検査の総件数)とした。間接費用の推計には、2015年賃金構造調査(INE)を用いた。また、「仕事の生産性と活動性の低下」(WPAI)質問紙を用いて、知覚された生産性の低下の程度を測定した。
MATERIAL AND METHODS: Prospective, comparative, non-randomized study of 84 patients treated for kidney stones smaller than 2 cm between January and December 2016. Of these, 38 (45.67%) were treated with ESWL (18 renal lithiasis and 20 ureteral lithiasis) and 46 (54.32%) with URS/RIRS (22 renal lithiasis and 24 ureteral lithiasis). A total of 19 (41.3%) patients in the URS/RIRS group and 15 (39.5%) patients in the ESWL group were actively working before treatment. The variables analyzed were sex, age, number and size of lithiasis, time (days) off from work due to treatment, estimate of indirect cost due to labor productivity loss and direct treatment costs including follow-up (total number of procedures, ancillary care, visits and diagnostic tests). The 2015 Wage Structure Survey (INE) was used to estimate the indirect cost. In addition, the «Work Productivity and Activity Impairment» (WPAI) questionnaire was also used to determine the level of perceived productivity loss.
結果:
リチア症が解消するまでの平均休職日数は、ESWL群で2.57回、URS群で1.04回であった。休業日数の平均はURS群で7.16日、ESWL群で3.18日(p=0.034)であった。生産性の低下に起因する間接費用の合計は、URS群で621.55ユーロ、ESWL群で276.05ユーロであった。直接費用はESWL群で1,382.9ユーロ、URS群で2,317.71ユーロであった。URSを受けた患者が知覚した作業障害の程度は、ESWL群で18.88%、21.33%であった。日常生活動作の障害の程度はURS群で24.44%、ESWL群で15%であった。
RESULTS: The mean number of sessions until lithiasis resolution was achieved was 2.57 for the ESWL group and 1.04 for the URS. The mean number of days off from work in the URS group was 7.16 days and 3.18 (p = 0.034) in the ESWL group. The total indirect costs resulting from productivity loss were EUR 621.55 and EUR 276.05 for the URS and ESWL, respectively. Direct costs in the ESWL group were EUR 1,382.9 and EUR 2,317.71 in the URS group. The level of work impairment perceived by patients undergoing URS was 18.88% and 21.33% in the ESWL group. The degree of impairment for performing activities of daily living was 24.44% in the URS and 15% in ESWL.
結論:
2cm以下の腎結石の治療にはESWL法の方が高いセッション数を必要とするが、総コストと知覚される影響の程度に与える影響は小さい。
CONCLUSIONS: The ESWL technique requires a higher number of sessions for the resolution of kidney stones under 2 cm, but it has a lower impact on total costs and on the perceived degree of affectation.
Copyright © 2020 AEU. Publicado por Elsevier España, S.L.U. All rights reserved.