Intraoperative cone beam computed tomography of tracheal stenting for stenosis and fistula diseases: a retrospective cohort study.

Background: Angiographic computed tomography (CT) is useful in various medical contexts, but little research has been presented regarding the application of cone beam CT (CBCT) in airway stenting. This study set out to evaluate the clinical feasibility of using CBCT in airway stent placement in a single-center retrospective cohort.

Methods: A total of 228 patients with stenosis or fistula diseases were treated with metallic airway stents in the First Affiliated Hospital of Zhengzhou University from January 1, 2015, to December 31, 2018.

Treatment of biliary stenosis using percutaneous transhepatic cholangiobiopsy with biopsy forceps of varying diameter.

Background: The present study aimed to compare the clinical results and pathological diagnostic quality of percutaneous transhepatic cholangiobiopsy for biliary obstruction using biopsy forceps (BFs) of varying diameter.

Methods: A total of 57 patients with obstructive jaundice who underwent percutaneous transhepatic cholangiobiopsy and drainage with 1 of 2 BFs diameters (6.0-mm BFs, n=30; 4.

Preliminary application of brachytherapy with double-strand I seeds and biliary drainage for malignant obstructive jaundice.

Aim: To evaluate the efficacy and safety of brachytherapy with double-strand I seeds and biliary drainage for malignant obstructive jaundice.

Methods And Materials: 42 patients with obstructive jaundice because of extrahepatic cholangiocarcinoma were enrolled. 22 patients (group A) received a biliary stent with common drainage tube implantation, and 20 patients (group B) received a biliary stent with double-strand I seeds radiotherapy drainage tube placement.

MR-Guided Microwave Ablation in T1 Renal Cell Carcinoma: Initial Results in Clinical Routine.

Objective: Percutaneous tumor ablation is usually performed using computed tomography (CT) or ultrasound (US) guidance, although reliable visualization of the target tumor could be challenging. Magnetic resonance- (MR-) guided ablation provides more reliable visualization of the target tumors and allows multiplanar imaging of the treatment process, making it the modality of choice, in particular if lesions are small.

Methods: From March 2016 to January 2018, 32 patients scheduled for percutaneous treatment of T1 RCC underwent MR-guided MWA.

Clinical evaluation the success rate and complications of fluoroscopically guided removal of tracheal tube metallic stents.

Background: Long-term placement of airway stents has a high probability of restenosis of the airway due to granulation tissue hyperplasia, and it is difficult to remove the stent. Our aim is to evaluate the success rate and complications of removal of tracheal tube metallic stents under fluoroscopic guidance, and to compare the difference between uncovered stent and covered stent.

Methods: We retrospectively reviewed 45 cases (31 males and 14 females; age, 12-71 years) of tracheal metallic stent removal performed at our center between January 2014 and December 2019.

Making timely remedial measures after TACE based on the results of cone-beam CT liver perfusion.

Objective: To evaluate the feasibility and safety of using cone-beam CT (CBCT) to measure changes in parenchymal blood volume (PBV) of patients with hepatocellular carcinoma (HCC) after transcatheter arterial chemoembolization (TACE) and to guide microwave ablation (MWA) for residual tumors.

Methods: A retrospective study was performed on 42 patients with HCC who completed TACE and received CBCT-guided perfusion imaging. The residual active lesions after TACE were supplemented with MWA to complete the treatment process according to the residual PBV.

Clinical study of transjugular intrahepatic portosystemic shunt combined with AngioJet thrombectomy for acute portal vein thrombosis in non-cirrhosis.

To evaluate the outcomes of the transjugular intrahepatic portosystemic shunt (TIPS) combined with AngioJet thrombectomy in patients with noncirrhotic acute portal vein (PV) thrombosis.Retrospective analysis from January 2014 to March 2017, 23 patients underwent TIPS combined with AngioJet thrombectomy for acute PV thrombosis in noncirrhosis. The rates of technical success, the patency of the PV, liver function changes, and complications were evaluated.

Novel brachytherapy drainage tube loaded with double I strands for hilar cholangiocarcinoma: A case report.

Background: Hilar cholangiocarcinoma (CC) is a common malignant tumor with high malignancy and poor prognosis. Most patients have lost the opportunity to undergo radical surgery when diagnosed. Although palliative drainage or biliary stent placement is a preferable choice, the tumor cannot be controlled.

Portal Vein Stenting Combined with I Particle Chain Implantation Followed by AsO in the Treatment of Hepatocellular Carcinoma with Portal Vein Tumour Thrombus.

Objective: To evaluate the feasibility and safety of portal vein stenting (PVS) combined with I particle chain implantation and sequential arsenic trioxide (AsO) for the treatment of hepatocellular carcinoma (HCC) with portal vein tumour thrombus (PVTT) by transcatheter arterial chemoembolization (TACE).

Methods: From January 2015 to January 2018, the clinical data of 30 patients with HCC complicated by PVTT were retrospectively analysed (26 men and 4 women). The laboratory examinations, incidence of adverse events, cumulative survival rate, and stent patency were analysed for all enrolled patients.

Use of fenestration to revise shunt dysfunction after transjugular intrahepatic portosystemic shunt.

Purpose: To explore the feasibility of fenestration in the treatment of shunt dysfunction after transjugular intrahepatic portosystemic shunt (TIPS).

Methods: Between February 2012 and December 2017, 12 TIPS patients with shunt dysfunction underwent fenestration to resolve recurrent portal hypertension with gastric variceal bleeding or ascites. The demographic data, operative data, postoperative recovery data, hemodynamic data, and complications were analyzed.

Percutaneous bone biopsy using a flat-panel cone beam computed tomography virtual navigation system.

Objectives: To assess the clinical role of flat-panel cone beam CT (CBCT) in performing percutaneous needle biopsy (PNB) of bone lesions. Flat-panel cone beam CT systems have been used as a guidance tool for performing percutaneous biopsy. Real-time fluoroscopy and virtual navigation systems help simplify needle path planning and shorten procedure times.

3D CACT-assisted Radiofrequency Ablation Following Transarterial Chemoembolization for Hepatocellular Carcinoma: Early Experience.

Background: To explored the value of 3D C-arm CT (CACT) guidance system in performing radiofrequency ablation (RFA) following transarterial chemoembolizationon (TACE) for hepatocellular carcinomas.

Materials And Methods: RFA of hepatocellular carcinomas (HCC) were performed on 15 patients (21 lesions) with the assistance of CACT guidance system. Technical success, procedure time, complications and patient radiation exposure were investigated.

Flat detector C-arm CT-guidance system in performing percutaneous transthoracic needle biopsy of small (≤3 cm) pulmonary lesions.

Background: Nowadays, flat detector (FD) equipped angiographic C-arm computed tomography (CACT) systems can be used to acquire CT-like cross-sectional images directly within the interventional suite. The CACT systems offer real time visualization of transthoracic needle biopsy (TNB) procedure and more flexibility in the orientation of the detector system around the patient compared to traditional CT systems.

Purpose: To evaluate the value of a flat detector C-arm CT-guidance system in performing percutaneous transthoracic needle biopsy (PTNB) for small (≤3 cm) pulmonary lesions in clinical practice.

Percutaneous transhepatic cholangiography and intraductal radiofrequency ablation combined with biliary stent placement for malignant biliary obstruction.

Purpose: To determine the safety and feasibility of percutaneous transhepatic cholangiography (PTC) and intraductal radiofrequency (RF) ablation combined with biliary stent placement for malignant biliary obstruction.

Materials And Methods: Data from patients with unresectable malignant biliary obstruction who underwent PTC, intraductal RF ablation, and biliary stent placement (n = 12) or PTC and biliary stent placement only (control group; n = 14) were reviewed. Postoperative complications, jaundice remission, and stent patency were assessed.

Endovascular embolization for managing anastomotic bleeding after stapled digestive tract anastomosis.

Background: Anastomotic bleeding is an infrequent but life-threatening complication after stapled digestive tract anastomosis. Endovascular embolization is one of the available treatments, but precise clinical outcomes are yet to be evaluated.

Purpose: To evaluate the efficacy and safety of endovascular embolization for managing anastomotic bleeding after stapled digestive tract anastomosis.

Clinical applications of the C-arm cone-beam CT-based 3D needle guidance system in performing percutaneous transthoracic needle biopsy of pulmonary lesions.

Purpose: This study explored the value of flat detector C-arm CT-guidance system in performing percutaneous transthoracic needle biopsy (PTNB) for lung lesions in clinical practice.

Methods: A total of 110 patients with solid lung lesions were enrolled to undergo PTNB procedures. The mean diameter of lesions was 4.

Clinical efficacy of metallic biliary stents combined with different anti-cancer treatments in the management of bile duct cancer.

Background/aims: The appropriate selection of an anti-cancer treatment after biliary stenting for bile duct cancer and the effects of new anti-cancer treatments are unclear. To determine the clinical efficacy of metallic biliary stents combined with different anticancer treatments in the management of bile duct cancer.

Methodology: We compared 49 patients with bile duct cancer who underwent biliary stenting plus anticancer treatment with 60 patients who underwent stenting alone (controls) in our hospital, between December 1998 and December 2012.

Microwave ablation treatment of liver cancer with a 2,450-MHz cooled-shaft antenna: pilot study on safety and efficacy.

To evaluate efficacy of microwave ablation in a primary clinical study, sixty patients (44 men, 16 women; mean age 53 years) with 96, 1-8 cm (mean 3.20 ± 0.17 cm) liver cancers were treated with 2,450-MHz internally cooled-shaft antenna.

Microwave ablation: results in ex vivo and in vivo porcine livers with 2450-MHz cooled-shaft antenna.

Background: Imaging-guided thermal ablation using different energy sources continues to gain favor as a minimally invasive technique for the treatment of primary and metastatic hepatic malignant tumors. This study aimed to evaluate the performance of microwave ablation with 2450-MHz internally cooled-shaft antenna in ex vivo and in vivo porcine livers.

Methods: All studies were animal care and ethics committee approved.

[Clinical effect of transcatheter arterial chemoembolization combined with high intensity focused ultrasound ablation in treatment of large hepatocellular carcinoma].

Objective: To investigate the clinical effect of transcatheter arterial chemoembolization (TACE) combined with high intensity focused ultrasound (HIFU) ablation in treatment of large hepatocellular carcinoma (HCC).

Methods: Sixty-eight patients with unresectable HCC were randomized into 2 age, tumor size, TNM stages, and liver function grade-matched groups: TACE group (n=30) undergoing TACE and TACE+HIFU group (n=38) undergoing 2-3 weeks after TACE. A total of 88 tumors (9.

[Short- to mid-term evaluation of CT-guided 125I brachytherapy on recurrent or metastatic head and neck cancers].

Objective: to evaluate the short- and medium-term clinical effects of 125I seed implantation on recurrent or metastatic head and neck cancers.

Methods: Thirty patients with recurrent or metastatic head and neck cancers after operation, radiotherapy, or chemotherapy, totaling 421 lesions 4.2 (2-9) cm in diameter, 23 males and 12 females, aged 56 (39-71), underwent implantation of 12-70 125I seeds (on average 33 per person) under the guidance of CT, ultrasonography, or endoscopy with an interval of 1 cm between any 2 seeds with the radioactive activity per seed of 29.

Short- to mid-term evaluation of CT-guided 125I brachytherapy on intra-hepatic recurrent tumors and/or extra-hepatic metastases after liver transplantation for hepatocellular carcinoma.

Objective: To evaluate the safety and short- to mid-term efficacy of CT-guided (125)I brachytherapy on intra-hepatic recurrent tumors and/or extra-hepatic metastases after liver transplantation for hepatocellular carcinoma (HCC).

Results: Among the ten patients, one died of liver failure 15 months and one of renal failure 29 months after brachytherapy. All other eight patients survived till the end of the follow-up.

[Short- and medium-term clinical effects of CT guided (125)I radioactive seeds implantation in treatment of recurrent/metastatic malignant pelvic tumors].

Objective: To investigate the Short- and medium-term clinical effects of clinical value of CT guided radioactive seed (125)I implantation in treating recurrent/metastatic malignant pelvic tumors.

Methods: 30 patients (10 males and 20 females, the age ranges from 31 to 85, median 55 years) with recurrent/metastatic malignant pelvic tumors after combined therapy such as surgery, chemotherapy and radiotherapy et al, were enrolled in this study. The total lesions were 32 and the max diameter of each lesion ranges from 3.

CT guided 125iodine seed implantation for portal vein tumor thrombus in primary hepatocellular carcinoma.

Background: This study evaluated the clinical application of CT guided 125iodine implantation in patients with portal vein tumor thrombus in primary hepatocellular carcinoma.

Methods: The ten patients (9 males and 1 female, aged from 36 to 72 years) with portal vein tumor thrombus accompanying hepatocellular carcinoma had been treated with comprehensive therapy including surgery, transcatheter arterial chemoembolization, radiotherapy ablation, microwave ablation or percutaneous ethanol injection. The average diameter of each tumor thrombus was 21.