Clinical impact of psoas muscle volume on the development of inguinal hernia after robot-assisted radical prostatectomy

Otaki, Tatsuya; Hasegawa, Masanori; Yuzuriha, Soichiro; Hayashi, Izumi; Nagao, Kentaro; Umemoto, Tatsuya; Shimizu, Yuki; Kawakami, Masayoshi; Nakajima, Nobuyuki; Kim, Hakushi; Nitta, Masahiro; Hanai, Kazuya; Kawamura, Y.; Shoji, Shuichi; Miyajima, Akira

doi:10.1007/s00464-020-07770-7

Cited by 17 publications

(32 citation statements)

References 30 publications

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“…First, the present study was conducted in a Japanese male population of which the prostate size was relatively smaller than those of Western countries 28 , 29 . However, the median preoperative prostate size was 28.5cm3 which was in line with the results of other Japanese cohorts 30 – 32 . Second, PMI may be useful in surgical approaches such as retroperitoneal approach or Retzius-sparing procedure since these approaches are known to have less working space 33 .…”

Section: Discussionsupporting

confidence: 89%

The ‘prostate-muscle index’: a simple pelvic cavity measurement predicting estimated blood loss and console time in robot-assisted radical prostatectomy

Kimura

Yamada

Takeshima

et al. 2022

Sci Rep

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This study was to show the impact of ‘prostate-muscle index (PMI)’, which we developed as a novel pelvic cavity measurement, in patients undergoing robot-assisted radical prostatectomy (RARP). We defined PMI as the ‘distance between the inner edge of the obturator internus muscle and the lateral edge of the prostate at the magnetic resonance imaging (MRI) slice showing the maximum width of the prostate’. Seven hundred sixty patients underwent RARP at the University of Tokyo Hospital from November 2011 to December 2018. MRI results were unavailable in 111 patients. In total, 649 patients were eligible for this study. Median values of blood loss and console time were 300 mL and 168 min. In multivariate analysis, body mass index (BMI), prostate volume-to-pelvic cavity index (PV-to-PCI), PMI, and surgical experience were significantly associated with blood loss > 300 mL (P = 0.0002, 0.002, < 0.0001, and 0.006 respectively). Additionally, BMI, PMI, and surgical experience were also significantly associated with console time > 160 min in multivariate analysis (P = 0.04, 0.004, and < 0.0001, respectively). In conclusion, PMI may provide useful information to surgeons and patients in preoperative decision-making.

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Section: Discussionsupporting

confidence: 89%

The ‘prostate-muscle index’: a simple pelvic cavity measurement predicting estimated blood loss and console time in robot-assisted radical prostatectomy

Kimura

Yamada

Takeshima

et al. 2022

Sci Rep

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“…Well-known risk factors for developing PIH include older age, previous inguinal hernia repair, and low BMI [19,20]. Moreover, Otaki et al showed that psoas muscle volume (PMV) < 350 cm 3 was an independent risk factor for PIH [21]. Additionally, Iwamoto et al showed that dilatation of the internal inguinal ring represents an important risk factor for PIH [22].…”

Section: Discussionmentioning

confidence: 99%

The Experience of Robot-assisted Laparoscopic Transabdominal Preperitoneal Inguinal Hernia Repair Following Robot-assisted Laparoscopic Radical Prostatectomy: A Cohort Study

Funamizu

Mineta

Ozaki

et al. 2022

Preprint

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BackgroundThere are no reports of robot-assisted laparoscopic transabdominal preperitoneal inguinal hernia repair (R-TAPP) for the patients who underwent robot-assisted laparoscopic radical prostatectomy (RALP). AimTo evaluate the feasibility and safety of R-TAPP in patients who underwent RALP for postprostatectomy inguinal hernia (PIH).MethodsThis is a prospective, single-center retrospective cohort study. R-TAPP was conducted in 74 consecutive patients from September 2016 to March 2020. Except for women and patients who underwent previous abdominal surgery, 70 patients were classified into two groups based on the absence or presence of PIH (PIH group or non-PIH group). The data were retrospectively compared to those who had not undergone RALP.ResultsSeventy patients were reviewed. Among them, 22.9% had previously undergone RALP. We identified 22 lesions in 16 patients (unilateral in 10; bilateral in 6) in the PIH group, and 67 lesions in 54 patients (unilateral in 41; bilateral in 13) in the non-PIH group. The PIH group showed a longer median operation time compared to the non-PIH group. However, postoperative complications—including seroma formation, hematoma, and surgical site infections—were not significantly different between the groups. There were no recorded vascular, bladder, or spermatic cord injuries in either group. There was no conversion to laparoscopic or open surgery in either group. The estimated blood loss was small, and hospitalization duration was one day in all cases. Moreover, there were no hernia recurrences within the 90-day follow-up period in either group.ConclusionR-TAPP seem to be a feasible and safe approach for inguinal hernia repair, even in patients who underwent RALP for prostate cancer.

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“…In addition, hepatomegaly can lead to malnutrition and in severe cases to sarcopenia 7 . Sarcopenia is thought to affect the integrity of the abdominal wall and may as such increase the risk for AWH 8,9 . Together these two disease‐specific factors could contribute to an increased rate of AWHs in PLD.…”

Section: Introductionmentioning

confidence: 99%

“… 7 Sarcopenia is thought to affect the integrity of the abdominal wall and may as such increase the risk for AWH. 8 , 9 Together these two disease‐specific factors could contribute to an increased rate of AWHs in PLD. AWHs are subgrouped according to location: inguinal, femoral, umbilical, paraumbilical, parastomal, cicatricial, Spigelian and epigastric.…”

Section: Introductionmentioning

confidence: 99%

Abdominal wall hernia is a frequent complication of polycystic liver disease and associated with hepatomegaly

Barten

Bökkerink

Venderink

et al. 2022

Liver International

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Background and Aim Polycystic liver disease (PLD) is related to hepatomegaly which causes an increased mechanical pressure on the abdominal wall. This may lead to abdominal wall herniation (AWH). We set out to establish the prevalence of AWH in PLD and explore risk factors. Methods In this cross‐sectional cohort study, we assessed the presence of AWHs from PLD patients with at least 1 abdominal computed tomography or magnetic resonance imaging scan. AWH presence on imaging was independently evaluated by two researchers. Data on potential risk factors were extracted from clinical files. Results We included 484 patients of which 40.1% (n = 194) had an AWH. We found a clear predominance of umbilical hernias (25.8%, n = 125) while multiple hernias were present in 6.2% (n = 30). Using multivariate analysis, male sex (odds ratio [OR] 2.727 p < .001), abdominal surgery (OR 2.575, p < .001) and disease severity according to the Gigot classification (Type 3 OR 2.853, p < .001) were identified as risk factors. Height‐adjusted total liver volume was an independent PLD‐specific risk factor in the subgroup of patients with known total liver volume (OR 1.363, p = .001). Patients with multiple hernias were older (62.1 vs. 55.1, p = .001) and more frequently male (22.0% vs. 50.0%, p = .001). Conclusion AWHs occur frequently in PLD with a predominance of umbilical hernias. Hepatomegaly is a clear disease‐specific risk factor.

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Clinical impact of psoas muscle volume on the development of inguinal hernia after robot-assisted radical prostatectomy

Cited by 17 publications

References 30 publications

The ‘prostate-muscle index’: a simple pelvic cavity measurement predicting estimated blood loss and console time in robot-assisted radical prostatectomy

The ‘prostate-muscle index’: a simple pelvic cavity measurement predicting estimated blood loss and console time in robot-assisted radical prostatectomy

The Experience of Robot-assisted Laparoscopic Transabdominal Preperitoneal Inguinal Hernia Repair Following Robot-assisted Laparoscopic Radical Prostatectomy: A Cohort Study

Abdominal wall hernia is a frequent complication of polycystic liver disease and associated with hepatomegaly

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