Optimal Timing to Evaluate Prediagnostic Baseline Erectile Function in Patients Undergoing Robot-Assisted Radical Prostatectomy

Dong Suk Kim, Yeun Goo Chung, Dong Jun Kim, Kyung Kgi Park, Mun Su Chung, Dae Hoon Lee, Seung Hwan Lee, Sang Yol Mah, Byungha Chung

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Introduction. Accurate assessment of prediagnostic baseline erectile function (EF) is crucial when evaluating postoperative changes of EF in patients undergoing bilateral nerve sparing robot-assisted laparoscopic radical prostatectomy (RLRP). Because score domains of the International Index of Erectile Function-5 (IIEF-5) can be affected by factors such as recall intervals and psychological stress or discomfort due to cancer diagnosis and treatment, it is important to assess the prediagnostic baseline EF at appropriate times. Aim. To determine optimal timing to evaluate prediagnostic baseline EF in patients undergoing bilateral nerve sparing RLRP. Methods. Between March 2009 and February 2010, 54 patients ranging in age from 48 to 74 years were asked to complete IIEF-5 questionnaires before prostate biopsy, 1 day before RLRP, and 1 month after RLRP to assess preoperative baseline EF. Main Outcome Measures. Differences in the mean scores of IIEF-5 were analyzed using paired t-tests. The strengths of the linear relationships among the three IIEF-5 scores were quantified using Pearson's correlation coefficient. An interrator agreement analysis in distribution was performed using the kappa statistic to determine the degree of agreement among the IIEF-5 scores. Results. The mean IIEF-5 score before RLRP was significantly higher than the mean IIEF-5 score before prostate biopsy (P<0.001). There was no significant difference between the mean IIEF-5 scores before prostate biopsy and 1 month following RLRP (P=0.931). Scores of the IIEF-5 taken before prostate biopsy and 1 month following RLRP showed substantial agreement (kappa=0.712), whereas scores of the IIEF-5 taken before prostate biopsy and before RLRP showed lower agreement (kappa=0.325). Conclusion. To more accurately assess the prediagnostic baseline EF in patients with localized prostate cancer, the IIEF-5 questionnaire should be administered before prostate biopsy rather than before RLRP as cancer diagnosis-related symptoms and depression can affect IIEF-5 scores.

Original languageEnglish
Pages (from-to)602-607
Number of pages6
JournalJournal of Sexual Medicine
Volume9
Issue number2
DOIs
Publication statusPublished - 2012 Jan 1

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Prostatectomy
Prostate
Biopsy
Psychological Stress
Neoplasms
Prostatic Neoplasms
Outcome Assessment (Health Care)

All Science Journal Classification (ASJC) codes

  • Reproductive Medicine
  • Obstetrics and Gynaecology
  • Urology

Cite this

Kim, Dong Suk ; Chung, Yeun Goo ; Kim, Dong Jun ; Park, Kyung Kgi ; Chung, Mun Su ; Lee, Dae Hoon ; Lee, Seung Hwan ; Mah, Sang Yol ; Chung, Byungha. / Optimal Timing to Evaluate Prediagnostic Baseline Erectile Function in Patients Undergoing Robot-Assisted Radical Prostatectomy. In: Journal of Sexual Medicine. 2012 ; Vol. 9, No. 2. pp. 602-607.
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title = "Optimal Timing to Evaluate Prediagnostic Baseline Erectile Function in Patients Undergoing Robot-Assisted Radical Prostatectomy",
abstract = "Introduction. Accurate assessment of prediagnostic baseline erectile function (EF) is crucial when evaluating postoperative changes of EF in patients undergoing bilateral nerve sparing robot-assisted laparoscopic radical prostatectomy (RLRP). Because score domains of the International Index of Erectile Function-5 (IIEF-5) can be affected by factors such as recall intervals and psychological stress or discomfort due to cancer diagnosis and treatment, it is important to assess the prediagnostic baseline EF at appropriate times. Aim. To determine optimal timing to evaluate prediagnostic baseline EF in patients undergoing bilateral nerve sparing RLRP. Methods. Between March 2009 and February 2010, 54 patients ranging in age from 48 to 74 years were asked to complete IIEF-5 questionnaires before prostate biopsy, 1 day before RLRP, and 1 month after RLRP to assess preoperative baseline EF. Main Outcome Measures. Differences in the mean scores of IIEF-5 were analyzed using paired t-tests. The strengths of the linear relationships among the three IIEF-5 scores were quantified using Pearson's correlation coefficient. An interrator agreement analysis in distribution was performed using the kappa statistic to determine the degree of agreement among the IIEF-5 scores. Results. The mean IIEF-5 score before RLRP was significantly higher than the mean IIEF-5 score before prostate biopsy (P<0.001). There was no significant difference between the mean IIEF-5 scores before prostate biopsy and 1 month following RLRP (P=0.931). Scores of the IIEF-5 taken before prostate biopsy and 1 month following RLRP showed substantial agreement (kappa=0.712), whereas scores of the IIEF-5 taken before prostate biopsy and before RLRP showed lower agreement (kappa=0.325). Conclusion. To more accurately assess the prediagnostic baseline EF in patients with localized prostate cancer, the IIEF-5 questionnaire should be administered before prostate biopsy rather than before RLRP as cancer diagnosis-related symptoms and depression can affect IIEF-5 scores.",
author = "Kim, {Dong Suk} and Chung, {Yeun Goo} and Kim, {Dong Jun} and Park, {Kyung Kgi} and Chung, {Mun Su} and Lee, {Dae Hoon} and Lee, {Seung Hwan} and Mah, {Sang Yol} and Byungha Chung",
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Optimal Timing to Evaluate Prediagnostic Baseline Erectile Function in Patients Undergoing Robot-Assisted Radical Prostatectomy. / Kim, Dong Suk; Chung, Yeun Goo; Kim, Dong Jun; Park, Kyung Kgi; Chung, Mun Su; Lee, Dae Hoon; Lee, Seung Hwan; Mah, Sang Yol; Chung, Byungha.

In: Journal of Sexual Medicine, Vol. 9, No. 2, 01.01.2012, p. 602-607.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Optimal Timing to Evaluate Prediagnostic Baseline Erectile Function in Patients Undergoing Robot-Assisted Radical Prostatectomy

AU - Kim, Dong Suk

AU - Chung, Yeun Goo

AU - Kim, Dong Jun

AU - Park, Kyung Kgi

AU - Chung, Mun Su

AU - Lee, Dae Hoon

AU - Lee, Seung Hwan

AU - Mah, Sang Yol

AU - Chung, Byungha

PY - 2012/1/1

Y1 - 2012/1/1

N2 - Introduction. Accurate assessment of prediagnostic baseline erectile function (EF) is crucial when evaluating postoperative changes of EF in patients undergoing bilateral nerve sparing robot-assisted laparoscopic radical prostatectomy (RLRP). Because score domains of the International Index of Erectile Function-5 (IIEF-5) can be affected by factors such as recall intervals and psychological stress or discomfort due to cancer diagnosis and treatment, it is important to assess the prediagnostic baseline EF at appropriate times. Aim. To determine optimal timing to evaluate prediagnostic baseline EF in patients undergoing bilateral nerve sparing RLRP. Methods. Between March 2009 and February 2010, 54 patients ranging in age from 48 to 74 years were asked to complete IIEF-5 questionnaires before prostate biopsy, 1 day before RLRP, and 1 month after RLRP to assess preoperative baseline EF. Main Outcome Measures. Differences in the mean scores of IIEF-5 were analyzed using paired t-tests. The strengths of the linear relationships among the three IIEF-5 scores were quantified using Pearson's correlation coefficient. An interrator agreement analysis in distribution was performed using the kappa statistic to determine the degree of agreement among the IIEF-5 scores. Results. The mean IIEF-5 score before RLRP was significantly higher than the mean IIEF-5 score before prostate biopsy (P<0.001). There was no significant difference between the mean IIEF-5 scores before prostate biopsy and 1 month following RLRP (P=0.931). Scores of the IIEF-5 taken before prostate biopsy and 1 month following RLRP showed substantial agreement (kappa=0.712), whereas scores of the IIEF-5 taken before prostate biopsy and before RLRP showed lower agreement (kappa=0.325). Conclusion. To more accurately assess the prediagnostic baseline EF in patients with localized prostate cancer, the IIEF-5 questionnaire should be administered before prostate biopsy rather than before RLRP as cancer diagnosis-related symptoms and depression can affect IIEF-5 scores.

AB - Introduction. Accurate assessment of prediagnostic baseline erectile function (EF) is crucial when evaluating postoperative changes of EF in patients undergoing bilateral nerve sparing robot-assisted laparoscopic radical prostatectomy (RLRP). Because score domains of the International Index of Erectile Function-5 (IIEF-5) can be affected by factors such as recall intervals and psychological stress or discomfort due to cancer diagnosis and treatment, it is important to assess the prediagnostic baseline EF at appropriate times. Aim. To determine optimal timing to evaluate prediagnostic baseline EF in patients undergoing bilateral nerve sparing RLRP. Methods. Between March 2009 and February 2010, 54 patients ranging in age from 48 to 74 years were asked to complete IIEF-5 questionnaires before prostate biopsy, 1 day before RLRP, and 1 month after RLRP to assess preoperative baseline EF. Main Outcome Measures. Differences in the mean scores of IIEF-5 were analyzed using paired t-tests. The strengths of the linear relationships among the three IIEF-5 scores were quantified using Pearson's correlation coefficient. An interrator agreement analysis in distribution was performed using the kappa statistic to determine the degree of agreement among the IIEF-5 scores. Results. The mean IIEF-5 score before RLRP was significantly higher than the mean IIEF-5 score before prostate biopsy (P<0.001). There was no significant difference between the mean IIEF-5 scores before prostate biopsy and 1 month following RLRP (P=0.931). Scores of the IIEF-5 taken before prostate biopsy and 1 month following RLRP showed substantial agreement (kappa=0.712), whereas scores of the IIEF-5 taken before prostate biopsy and before RLRP showed lower agreement (kappa=0.325). Conclusion. To more accurately assess the prediagnostic baseline EF in patients with localized prostate cancer, the IIEF-5 questionnaire should be administered before prostate biopsy rather than before RLRP as cancer diagnosis-related symptoms and depression can affect IIEF-5 scores.

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