1.Interventional endosonography comes of age: an update on endoscopic ultrasonography-guided drainage and anastomosis procedures.
Tiing Leong ANG ; Christopher Jen Lock KHOR
Singapore medical journal 2025;66(8):420-425
Endoscopic ultrasonography (EUS) has progressed beyond diagnostic imaging to include EUS-guided tissue acquisition and EUS-directed therapies. This review provides an update on EUS-guided drainage and anastomotic procedures, and other therapeutic procedures. Today, EUS-guided drainage of symptomatic walled-off pancreatic fluid collections is the norm, with endoscopic necrosectomy as an adjunct. For high-risk surgical patients unsuitable for cholecystectomy, EUS-guided gallbladder drainage of acute cholecystitis is an option. Additionally, EUS-guided drainage of obstructed biliary and pancreatic ductal system can be performed as salvage procedures after unsuccessful endoscopic retrograde cholangiopancreatography (ERCP). Bariatric procedures such as Roux-en-Y gastric bypass alter the gastric anatomy, hindering access to the major papilla. This can be overcome by creating a conduit through the excluded stomach using EUS-directed transgastric ERCP. Gastric outlet obstruction and afferent loop syndrome can be treated using EUS-guided gastrojejunostomy. These therapeutic interventions are a major advancement in the field of interventional EUS, achieving significant clinical impact.
Humans
;
Endosonography/methods*
;
Drainage/methods*
;
Cholangiopancreatography, Endoscopic Retrograde/methods*
;
Ultrasonography, Interventional/methods*
;
Anastomosis, Surgical/methods*
2.Research Progress of External Ventricular Drainage Catheterization Techniques.
Zhenzhen HAN ; Kunshan YUAN ; Haijun ZHANG
Chinese Journal of Medical Instrumentation 2025;49(3):287-294
Insertion of external ventricular drainage (EVD) is an effective neurosurgical treatment approach. The accuracy of EVD insertion is related to potential complications, and the precise placement of the catheter tip can reduce the incidence of complications. With the progress of medical technology, the research and application of EVD catheterization technology are developing rapidly. This paper reviews the traditional blind catheterization, computed tomography, ultrasound guidance, mixed reality navigation system, laser positioning neural navigation, mobile device neural navigation, stereotactic system, and the visualization technology of the whole process of neuroendoscope assisted ventricle puncture to guide EVD catheterization to provide references for clinical decision-making by medical staff.
Humans
;
Drainage/methods*
;
Catheterization/methods*
;
Cerebral Ventricles/surgery*
3.Design and application of a height measuring instrument for ventricular drainage catheter.
Qingchen ZHAI ; Guanjie CHEN ; Jianwei LI ; Junping LI ; Lu MA
Chinese Critical Care Medicine 2025;37(3):294-296
Ventriculostomy drainage is one of the commonly used surgical techniques in neurocritical care, which can relieve intracranial hypertension and facilitate postoperative cerebrospinal fluid and intracranial pressure monitoring. By placing a drainage tube in the ventricle, blood and fluid accumulation within the ventricle are drained out of the brain, reducing intracranial pressure and preventing brain tissue damage. Clinically, the speed of ventriculostomy drainage is often controlled by measuring the height difference between the drainage opening and the plane of the ventricle, ensuring the safe and effective reduction of intracranial pressure, facilitating the implementation of clinical management plans, and preventing complications. However, how to easily, safely, and effectively measure the height difference between the drainage opening and the ventricular plane remains a challenge in nursing management. Currently, clinical practice often uses a tape measure to measure the height of the ventriculostomy drainage, a process that is cumbersome and time-consuming and susceptible to human error, leading to inaccurate measurements. However, the challenge of easily, safely, and effectively detecting the height difference between the drainage opening and the ventricular plane remains a difficult problem in nursing management. To address this issue, the medical and nursing staff of the intensive care unit (ICU) at Zhongda Hospital, Southeast University, jointly designed a novel ventriculostomy drainage height measurement device, which has been granted a national utility model patent (patent number: ZL 2022 2 1400920.9). This device can be easily and securely fixed to an infusion stand. Using a level within the horizontal measuring part and a rotational structure, the vertical measuring part of the device is adjusted to be perpendicular to the ground. After opening the limit clip, the horizontal part is manually guided down to the appropriate height. The front end of the horizontal measuring part is then extended towards the patient's head, and after confirming the position, the limit clip is closed. At this point, the horizontal height difference between the drainage opening and the ventricular plane can be accurately measured. When temporarily finishing the height measurement of the drainage tube, the device can be folded and stored by retracting the horizontal measuring part and rotating components. This measuring device has a simple operation process, which can improve the accuracy and reliability of the drainage height measurement, enhance treatment outcomes and patient safety, reduce the workload of nursing staff, and has certain clinical promotion and practical value.
Humans
;
Ventriculostomy/methods*
;
Drainage/instrumentation*
;
Equipment Design
;
Cerebral Ventricles
4.Correlation analysis of the effect of postoperative drainage on surgical efficacy of thoracolumbar fractures through multifidus interspace approach.
China Journal of Orthopaedics and Traumatology 2024;37(11):1062-1068
OBJECTIVE:
To investigate correlation of the effect factors on surgical efficacythe of whether postoperative drainage through the multifidus interspace approach in the treatment of thoracolumbar fractures.
METHODS:
A total of 66 patients with thoracolumbar fractures admitted from January 2017 to December 2021 were retrospectively analyzed. According to whether postoperative drainage, 36 patients were in drainage group and 30 patients were in no drainage group. In the drainage group, there were 17 males and 19 females with an average age of (55.4±9.5) years old ranging from 23 to 68 years old;in the no drainage group, there were 16 males and 14 females with an average age of (53.9±8.3) years ranging from 30 to 69 years old. A multifidus interspace approach was used in both groups. Then factores of age, gender, fracture site, injured segment, operation time, intraoperative blood loss, preoperative Cobb angle, preoperative vertebral anterior height ratio, preoperative Japanese 0rthopaedic Association(J0A) score, preoperative visual ana1ogue scale(VAS), preoperative Oswestry Disability Index(ODI) score may affect the postoperative drainage, using univariate and multivariate Logistic regression analysis to study their influence on the prognosis. The postoperative Cobb angle, anterior vertebral height ratio, JOA score, VAS and ODI were compared between the two groups.
RESULTS:
Univariate analysis showed that whether postoperative drainage may be related to patient age, whether injury to multiple segments, operation time, and intraoperative blood loss(P<0.05). The multivariate analysis showed that age, operation time were the main factors affecting postoperative drainage(P<0.05). There was no significant difference in Cobb angle, anterior vertebral height loss rate, JOA score, VAS score and ODI score between the two groups at the postoperative follow-up(P>0.05). In terms of complications, the total incidence of postoperative low back pain in the no drainage group was lower than that in the drainage group(P<0.05). There was no significant difference in postoperative infection and postoperative nerve loss between the two groups(P>0.05).
CONCLUSION
Age and operation time are the main factors affecting the postoperative drainage through multifidus interspace approach for thoracolumbar fractures. And no drainage does not affect the long-term effect of the operation, on the contrary, no drainage can reduce the method of low back pain and obtain more benefits.
Humans
;
Male
;
Female
;
Middle Aged
;
Thoracic Vertebrae/injuries*
;
Lumbar Vertebrae/injuries*
;
Adult
;
Spinal Fractures/surgery*
;
Aged
;
Drainage/methods*
;
Retrospective Studies
;
Young Adult
;
Treatment Outcome
5.Normal- versus negative-pressure drainage after laparoscopic radical prostatectomy in the treatment of prostate cancer.
Jia-Cai CHEN ; Shan LIN ; Li ZHAO ; Xian-Zhong ZHU ; Chao-Peng TANG ; Jin-Yu LI
National Journal of Andrology 2024;30(12):1086-1090
OBJECTIVE:
To compare the effects of normal-pressure drainage (norPD) and negative-pressure drainage (negPD) after laparoscopic radical prostatectomy (LRP) in the treatment of PCa.
METHODS:
We retrospectively analyzed the clinical and follow-up data on 87 cases of PCa treated by LRP from October 2019 to October 2022, 46 receiving norPD and the other 41 negPD postoperatively. We indwelt an F20 pelvic drainage tube for each of the patients, which were connected to an anti-reflux drainage bag for those in the norPD group and a 200 ml negative pressure ball for those in the negPD group, and removed the tubes at the drainage volume ≤30 ml/d. We compared the operation time, intraoperative blood loss, drainage volume on the first day after surgery, total postoperative drainage volume, drainage tube-indwelling duration, drainage tube-related nursing time, urinary catheter removal time, wound healing time, and incidence of postoperative complications between the two groups of patients.
RESULTS:
No statistically significant differences were observed between the two groups in terms of operation time, intraoperative blood loss, wound healing time, and postoperative complications (P>0.05). The drainage volume on the first postoperative day and the total postoperative drainage volume were significantly lower, and the drainage tube-indwelling duration and drainage tube-related nursing time markedly shorter in the norPD than in the negPD group (all P<0.05).
CONCLUSION
Normal-pressure drainage is a safe and effective drainage method after laparoscopic radical prostatectomy, which can significantly reduce the postoperative drainage volume, drainage tube-indwelling duration and drainage tube-related nursing time.
Humans
;
Male
;
Prostatectomy/methods*
;
Laparoscopy
;
Prostatic Neoplasms/surgery*
;
Drainage/methods*
;
Retrospective Studies
;
Postoperative Complications
;
Middle Aged
;
Operative Time
6.Basic principles,methods and evaluation of minimally invasive treatment for infected pancreatic necrosis.
Chinese Journal of Surgery 2023;61(1):13-17
Infected pancreatic necrosis(IPN) is the main surgical indication of acute pancreatitis. Minimally invasive debridement has become the mainstream surgical strategy of IPN,and it is only preserved for IPN patients who are not response for adequate non-surgical treatment. Transluminal or retroperitoneal drainage is preferred,and appropriate debridement can be performed. At present,it is reported that video assisted transluminal,trans-abdominal and retroperitoneal approaches can effectively control IPN infection. However,in terms of reducing pancreatic leakage and other complications,surgical and endoscopic transgastric debridement may be the future direction in the treatment of IPN.
Humans
;
Pancreatitis, Acute Necrotizing/complications*
;
Acute Disease
;
Debridement/methods*
;
Endoscopy/methods*
;
Drainage/methods*
;
Intraabdominal Infections/complications*
;
Treatment Outcome
7.Clinical effect of laparoscopic transcystic drainage combined with common bile duct exploration for the patients with difficult biliary stones.
Ling Fu ZHANG ; Chun Sheng HOU ; Zhi XU ; Li Xin WANG ; Xiao Feng LING ; Gang WANG ; Long CUI ; Dian Rong XIU
Journal of Peking University(Health Sciences) 2022;54(6):1185-1189
OBJECTIVE:
To explore the feasibility and efficacy of laparoscopic transcystic drainage and common bile duct exploration in the treatment of patients with difficult biliary stones.
METHODS:
Between April 2020 and December 2021, eighteen patients with difficult biliary stones received laparoscopic transcystic drainage (C-tube technique) and common bile duct exploration. The clinical characteristics and outcomes were retrospectively collected. The safety and effectiveness of laparoscopic transcystic drainage and common bile duct exploration were analyzed.
RESULTS:
Among the eighteen patients with difficult biliary stones, thirteen patients received traditional laparoscopic transcystic drainage, and the remaining five received modified laparoscopic transcystic drainage. The mean surgical duration were (161±59) min (82-279 min), no bile duct stenosis or residual stone was observed in the patients receiving postoperative cholangiography via C-tube. The maximum volume of C-tube drainage was (500±163) mL/d (180-820 mL/d). Excluding three patients with early dislodgement of C-tube, among the fifteen patients with C-tube maintained, the median time of C-tube removal was 8 d (5-12 d). The duration of hospital stay was (12±3) d (7-21 d) for the 18 patients. Five C-tube related adverse events were observed, all of which occurred in the patients with traditional laparoscopic transcystic drainage, including two abnormal position of the C-tube, and three early dislocation of the C-tube. All the 5 adverse events caused no complications. Only one grade one complication occurred, which was in a patient with modified laparoscopic transcystic drainage. The patient demonstrated transient fever after C-tube removal, but there was no bile in the drainage tube and the subsequent CT examination confirmed no bile leakage. The fever spontaneously relieved with conservative observation, and the patient recovered uneventfully with discharge the next day. All the 18 patients were followed up for 1-20 months (median: 9 months). Normal liver function and no recurrence of stone were detected with ultrasonography or magnetic resonance cholangiopancreatography (MRCP).
CONCLUSION
Laparoscopic transcystic drainage combined with common bile duct exploration is safe and feasible in the treatment of patients with difficult biliary stones. The short-term effect is good. Modified laparoscopic transcystic drainage approach may reduce the incidence of C-tube dislocation and bile leak.
Humans
;
Retrospective Studies
;
Biliary Tract Surgical Procedures/adverse effects*
;
Gallstones/etiology*
;
Drainage/methods*
;
Laparoscopy/adverse effects*
;
Common Bile Duct/surgery*
8.Laparoscopic transgastric necrosectomy in treatment of wall-off pancreatic necrosis.
Chinese Journal of Surgery 2022;60(5):432-435
Mini-invasive surgical or endoscopic step-up approach is the first choice of pancreatic necrosectomy for infected wall-off necrosis. Surgical debridement has the advantage of high efficiency,low cost and good accessibility,while the complication rate of pancreatic fistula and incision hernia after endoscopic necrosectomy is low.Laparoscopic transgastric necrosectomy(LTGN) can combine the advantages of surgical and endoscopic debridement,and may become one of the important methods for the surgical treatment of necrotizing pancreatitis in the future. This paper focuses on the technical advantages,surgical points,indications and application status of LTGN,so as to provide reference for the technical promotion.
Debridement/methods*
;
Drainage/methods*
;
Humans
;
Laparoscopy/methods*
;
Necrosis/complications*
;
Pancreatitis, Acute Necrotizing/surgery*
;
Tomography, X-Ray Computed
;
Treatment Outcome
9.How to Treat Chronic Subdural Hematoma? Past and Now
Journal of Korean Neurosurgical Society 2019;62(2):144-152
Treatment of chronic subdural hematoma (CSDH) is relatively straightforward, however, there is still some debate regarding the best strategy for treatment. The most practical recommendations of up to date were identified by a review of literature. The author reviewed the literature on CSDH management from the past to now to identify the best methods. Till 1970s, craniotomy was the most commonly used method. Burr hole (BH) became the most preferred method from 1980s. In 1977, twist drill (TD) craniostomy was introduced. Closed system drainage after a BH or a TD became the most frequently used surgical method. Although nonsurgical treatment is often successful, trephination has more advantages, such as rapid resolution of the symptoms and short period of hospitalization. Nonsurgical treatment is possible in asymptomatic patients with a small CSDH. For the symptomatic patients with CSDH, trephination is the treatment of choice, either by BH or TD. In gray zone between surgery and medical treatment, shared decision making can be an ideal approach. For the recurrent CSDHs, repeated trephination is still effective for patients with a low risk of recurrence. If the risk of recurrence is high, additional management would be helpful. For the refractory CSDHs, it is necessary to obliterate the subdural space.
Craniocerebral Trauma
;
Craniotomy
;
Decision Making
;
Drainage
;
Hematoma, Subdural, Chronic
;
Hospitalization
;
Humans
;
Methods
;
Recurrence
;
Subdural Space
;
Trephining
10.Combined gastroscopic and choledochoscopic transabdominal nasobiliary drainage.
Song-Mei LOU ; Min ZHANG ; Zheng-Rong WU ; Gui-Xing JIANG ; Hua SHEN ; Yi DAI ; Yue-Long LIANG ; Li-Ping CAO ; Guo-Ping DING
Journal of Zhejiang University. Science. B 2019;20(11):940-944
Common bile duct (CBD) stones are a frequent problem in Chinese populations, and their incidence is particularly high in certain areas (Wang et al., 2013). In recent years, laparoscopic common bile duct exploration (LCBDE) and endoscopic retrograde cholangiopancreatography (ERCP) have been the main surgical procedures for CBD stones, although each has different advantages and disadvantages in the treatment of choledocholithiasis (Loor et al., 2017; Zhou et al., 2017). For patients with large stones, a dilated CBD, especially concurrent gallstones, LCBDE is the preferred and most economical minimally invasive procedure (Koc et al., 2013). However, a T-tube is often placed during LCBDE to prevent postoperative bile leakage; this is associated with problems such as bile loss, electrolyte disturbance, and decreased gastric intake (Martin et al., 1998). In addition, the T-tube usually must remain in place for more than a month, during which time the patient's quality of life is seriously compromised. Many skilled surgeons currently perform primary closure of the CBD following LCBDE, which effectively speeds up rehabilitation (Hua et al., 2015). However, even in sophisticated medical centers, the incidence of postoperative bile leakage still reaches ≥10% (Liu et al., 2017). Especially for a beginner, bile leakage remains a key problem (Kemp Bohan et al., 2017). Therefore, a safe and effective minimally invasive surgical approach to preventing bile leakage during primary closure of the CBD after LCBDE is still urgently needed.
Aged
;
Aged, 80 and over
;
Choledocholithiasis
;
Common Bile Duct Diseases
;
Drainage/methods*
;
Female
;
Gallstones
;
Gastroscopy
;
Humans
;
Laparoscopy
;
Male
;
Middle Aged

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