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Title: 前立腺肥大症に対する経尿道的前立腺レーザー凝固術の経験 ― Indigo 830j による治療成績の検討―
Other Titles: Interstitial laser coagulation for benign prostatic hyperplasia: clinical results of the Indigo diode laser system
Authors: 松田, 陽介  KAKEN_name
市岡, 健太郎  KAKEN_name
寺田, 直樹  kyouindb  KAKEN_id
前川, 信也  KAKEN_name
大久保, 和俊  KAKEN_name
吉村, 耕治  KAKEN_name
寺井, 章人  KAKEN_name
荒井, 陽一  KAKEN_name
Author's alias: Matsuta, Yosuke
Ichioka, Kentaro
Terada, Naoki
Maekawa, Shinya
Okubo, Kazutoshi
Yoshimura, Koji
Terai, Akito
Arai, Yoichi
Keywords: Prostate
Benign prostatic hyperplasia
Diode laser
Interstitial laser coagulation
Issue Date: Apr-2003
Publisher: 泌尿器科紀要刊行会
Journal title: 泌尿器科紀要
Volume: 49
Issue: 4
Start page: 195
End page: 200
Abstract: Indigo半導体レーザー手術装置による前立腺肥大症の治療成績について報告した.対象とした45症例における自覚症状の改善は治療後1ヵ月後より見られ,24ヵ月後まで維持された.残尿量は治療3ヵ月後より有意に減少し24ヵ月後まで維持され,Pressure flow studyにおいてPdet at Qmaxの有意な減少を認めた.治療3ヵ月後の治療対象におけるアンケートでは症例のほぼ全てが満足しており,全般治療効果判定において治療6ヵ月後より安定した結果が得られた.治療時の穿刺回数,熱量と全般治療効果との間には相関関係は認めなかった.Indigo803jは,比較的大きな前立腺を有した重度の前立腺肥大症患者に対しても自覚症状,残尿量の改善で有効であると考えられた
We report our experience with interstitial laser coagulation of the prostate (ILCP) using an Indigo 830j diode laser system for benign prostatic hyperplasia (BPH). From March 1998 to November 2000, we treated 45 patients between 51 and 95 years old (average 71.5) with symptomatic BPH. The mean prostatic volume before ILCP was 62.0 cm3. We experienced no serious complications. Three months after ILCP, the mean international prostate symptom score (I-PSS) quality of life (QOL) index and post-void residual volume (PVR) decreased significantly from 18.0 to 9.2, from 4.4 to 2.1 and from 103.6 ml to 44.5 ml, respectively. The mean maximum flow rate (MFR) increased from 7.6 ml/sec at baseline to 9.2 ml/sec 3 months after ILCP, but the difference was not statistically significant. Before and after ILCP, 8 patients were available to evaluate pressure-flow study data. The detrusor pressure at the maximum flow rate decreased significantly from 118.3 cmH2O at baseline to 78.6 cmH2O 3 months after ILCP. The improvement of the I-PSS, QOL index, MFR and PVR continued and at 24 months reached 5.7, 1.8, 11.6 ml/sec and 54.6 ml, respectively. In our assessment of the questionnaire addressing the patient's satisfaction after the treatment, the majority of the patients who answered the questionnaire were pleased with the results of ILCP. We assessed the relation of the overall treatment efficacy with the number of punctures and the total amount of the laser energy delivered, but we did not find any relation. Our clinical results suggest that the ILCP using Indigo 830j is an effective modality and the short-term treatment efficacy is favorable.
PubMed ID: 12784712
Appears in Collections:Vol.49 No.4

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