scholarly journals P376: Ultrasound bladder volume estimation after vaginal surgery: a pilot study

2003 ◽  
Vol 22 (S1) ◽  
pp. 171-172
Author(s):  
S. Pelckmans ◽  
T. Van den Bosch
Keyword(s):  
Pilot Study ◽  
Vaginal Surgery ◽  
Volume Estimation ◽  
Bladder Volume

scholarly journals Simple calculation using anatomical features on pre-treatment verification CT for bladder volume estimation during radiation therapy for rectal cancer

BMC Cancer ◽  
2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Nalee Kim ◽  
Hong In Yoon ◽  
Jin Sung Kim ◽  
Woong Sub Koom ◽  
Jee Suk Chang ◽  
...  
Keyword(s):  
Radiation Therapy ◽  
Cone Beam Ct ◽  
Ct Images ◽  
Volume Estimation ◽  
Bladder Volume ◽  
Cone Beam ◽  
Anatomical Features ◽  
Treatment Verification ◽  
Pre Treatment ◽  
Bladder Scanner

Abstract Background Despite detailed instruction for full bladder, patients are unable to maintain consistent bladder filling during a 5-week pelvic radiation therapy (RT) course. We investigated the best bladder volume estimation procedure for verifying consistent bladder volume. Methods We reviewed 462 patients who underwent pelvic RT. Biofeedback using a bladder scanner was conducted before simulation and during treatment. Exact bladder volume was calculated by bladder inner wall contour based on CT images (Vctsim). Bladder volume was estimated either by bladder scanner (Vscan) or anatomical features from the presacral promontory to the bladder base and dome in the sagittal plane of CT (Vratio). The feasibility of Vratio was validated using daily megavoltage or kV cone-beam CT before treatment. Results Mean Vctsim was 335.6 ± 147.5 cc. Despite a positive correlation between Vctsim and Vscan (R2 = 0.278) and between Vctsim and Vratio (R2 = 0.424), Vratio yielded more consistent results than Vscan, with a mean percentage error of 26.3 (SD 19.6, p < 0.001). The correlation between Vratio and Vctsim was stronger than that between Vscan and Vctsim (Z-score: − 7.782, p < 0.001). An accuracy of Vratio was consistent in megavoltage or kV cone-beam CT during treatment. In a representative case, we can dichotomize for clinical scenarios with or without bowel displacement, using a ratio of 0.8 resulting in significant changes in bowel volume exposed to low radiation doses. Conclusions Bladder volume estimation using personalized anatomical features based on pre-treatment verification CT images was useful and more accurate than physician-dependent bladder scanners. Trial registration Retrospectively registered.

Pre-operative volume estimation in Transverse Upper Gracilis Flap surgery: a pilot study

2021 ◽  
Author(s):  
Anna R Hurley ◽  
Giovanni Zoccali ◽  
Marios K Tasoulis ◽  
Minas Chrysopoulo ◽  
Adam Blackburn ◽  
...  
Keyword(s):  
Pilot Study ◽  
Volume Estimation ◽  
Flap Surgery

A simple method for accurate liver volume estimation by use of curve-fitting: a pilot study

2012 ◽  
Vol 6 (1) ◽  
pp. 180-186 ◽  
Author(s):  
Masahito Aoyama ◽  
Yoshiharu Nakayama ◽  
Kazuo Awai ◽  
Yukihiro Inomata ◽  
Yasuyuki Yamashita
Keyword(s):  
Pilot Study ◽  
Curve Fitting ◽  
Liver Volume ◽  
Volume Estimation ◽  
Simple Method

scholarly journals A pilot study evaluating the feasibility of non-descent vaginal hysterectomy for benign gynecological indications in women in rural India

2017 ◽  
Vol 6 (10) ◽  
pp. 4424
Author(s):  
Anjali Soni ◽  
Pawan Kumar Soni ◽  
Chanderdeep Sharma ◽  
Suresh Verma ◽  
Shivani Vashasit
Keyword(s):  
Pelvic Organ Prolapse ◽  
Pilot Study ◽  
Blood Loss ◽  
Hospital Stay ◽  
Vaginal Hysterectomy ◽  
Vaginal Surgery ◽  
Pelvic Organ ◽  
Rural India ◽  
Duration Of Surgery ◽  
Abdominal Route

Background: Hysterectomy for benign indications is one of the common surgical procedures performed on women worldwide. Despite the available evidence favouring vaginal surgery still abdominal route is preferred in majority of women in rural India. Hence, this pilot study was done to determine the feasibility of Non-descent vaginal hysterectomy (NDVH) in rural India.Methods: All women planned for hysterectomy for benign indications (with no or minimal pelvic organ prolapse) during a period of six months were enrolled after taking informed consent and subsequently, underwent NDVH. Data was analyzed retrospectively with respect to duration of surgery, average blood loss, complications of surgery and duration of stay in the hospital.Results: All except one woman out of 37 women enrolled for the study had an un-eventful surgery with median duration of surgery [median 30 minutes; (range 30-55 minutes)], median hospital stay [(median 2 days) range 2-7 days], and minimal blood loss [median 50 ml (range 50-200 ml)]. There was one case of inadvertent cystotomy (diagnosed and repaired intra-operatively), and discharged in healthy condition on seventh post-operative day.Conclusions: NDVH is a safe option for hysterectomy (in women without pelvic organ prolapse) for benign indications even in rural India. It has been found to be associated with short hospital stay, minimal blood loss and short recovery time.

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