Objective To study blood supply by the internal mammary artery(IMA)for hepatic carcinoma and evaluate the efficacy and safety of transcatheter arterial chemoembolization(TACE)via IMA. Methods 86 cases of hepatic cancer(HCC)fed by the IMA underwent TACE of the IMA.All of the patients had previously undergone several TACE for HCC.16 patients had undertaken percutaneous microwave coagulation therapy in addition to TAE.4 patients had a history of surgery for upper abdomen.Plain and enhanced CT and MRI scannings were performed before operation.Internal mammary arteriography was carried out during the interventional procedure to clarify the feeding range and then the superselected catheterization of the feeding branch was done with TACE.The IMA angiographic features,tumor location,clinical observation, laboratory tests,imageology were evaluated,and finally were correlated with the angiographic findings of the IMA.Results All lesions were massive type and located at the ventral aspect and subcapsular region of the liver:57 cases in segment 4,5,8,and 29 cases in segment 5,7,8.Recurrent HCCs were supplied by the right IMA in 80 cases,from the left IMA in 5 cases and with the bilateral IMA in 1 case.Lipiodol-TACE of the IMA for HCC can be performed without skin complications in cases of subselective catheterization.Conclusion Tumors located ventrally and superficially in the liver may recruit blood supply through IMA collaterals,often occurring in massive type of HCC after several times of TACE.TACE of IMA is safe and has become technically feasible in almost all patients,although cutaneous damage should be cautious during the interventional procedure.(J Intervent Radiol,2007,16:816-819)

Objective To evaluate the efficacy and safety of the interventional techniques for emergent treatment of iatrogenic renal injuries.Methods Nine patients with iatrogenic renal vascular injuries were treated with superselective renal arterial embolization.The causes of renal injury included post-renal biopsy in 5 patients,endovascular interventional procedure-related in 2,post-renal surgery in 1,and post-percutaneous nephrostomy in 1 patient.The patients presented clinically with hemodynamical unstability with blood loss shock in 7 patienrs,severe flank pain in 7,and hematuria in 8 patients.Perirenal hematoma was confirmed in 8 patients by CT and ultrasonography.The embolization materials used were microcoils in 7 and standard stainless steel coils in 2 patients,associated with polyvinyl alcohol particles(PVA)in 5,and gelfoam panicles in 2 cases.Results Renal angiogram revealed intra-renal arteriovenous fistula in 6 cases,intrarenal pseudoaneurysm in 2 cases,and the contrast media extravasation in 1 patient.The technical success of the arterial embolization was achieved in all 9 cases within a single session.All angiographies documented complete obliteration of the abnormal vessels together with all major intrarenal arterial branches maintaining patent.Seven patients with hemodynamically compromise experienced immediate relief of their blood loss related symptoms,and another 7 with severe flank pain got relief progressively.Hematuria ceased in 8 patients within 2-14 days after the embolization and impairment of renal function occurred after the procedure in 5 cases,including transient aggrevation(n=3)and developed new renal dysfunction(n=2).Two of these patients required hemodialysis.Perirenal hematoma were gradually absorbed on ultrasonography during 2-4 months after the procedures.Follow-up time ranged from 6-78 months(mean,38 months),4 patients died of other primary diseases of renal and multi-organ failures.Five patients are still alive without further intervention,and suffering no more of rebleeding and deterioration of renal function.Conclusions Transcatheter selective renal arterial embolization is safe and effective in the treatment of iatrogenic renal vascular injuries,resulting in permanent cessation of bleeding.(J Intervent Radiol,2007,16:807-810)

Objective To describe the manifestations of the inferior phrenic arteries(IPA)supply to the pulmonary hemorrhagic lesions and to evaluate the safety and efficacy of transcatheter arterial embolization(TAE)of the IPA.Methods The clinical data and imaging findings of eighteen patients with the additional blood supply to the pulmonary hemorrhagic lesions from the IPA were evaluated retrospectively.The causes of the bleeding were lung malignancies in 9,bronchiectasis in 7,and chronic inflammation in 2 patients.TAE supplementally was performed in patients with IPA supply to the pulmonary lesions,using polyvinyl alcohol particles,gelatin sponge particles,and microcoils.Results Selective arteriogram demonstrates an enlarged IPA,with numerous branches and hypervascularity in all 18 cases, with tumor staining in 9,the contrast material extravasation in 6,and non-specific staining in 2 cases.In addition,IPA-to-pulmonary shunting was found in 9 cases.All the lesions supplying by IPA were adjacent to the pleurae,including adjacent to the diaphragmatic pleura in 11,the mediastinal pleura in 5,and the lateral pleura of the lower lobe in 2 cases.Technical success of IPA embolization was achieved in the 18 cases.Embolization of other nonbronchial systemic arteries(the internal thoracic artery in 7 and intercostal artery in 3)was performed at the same session.All bleeding ceased immediately after supplemental IPA embolization.Follow-up time ranged from 8 months to 4 years.Mild recurrent hemoptysis occurred in 3 patients at 1,2,6 months respectively,after the embolization.These patients were responsive to conservative management.Recurrent bleeding did not occur in 15 patients during the follow-up. Conclusion The pulmonary hemorrhagic lesions,especially adjacent to the diaphragmatic and mediastinal pleurae,can be supplied by IPA,and may result in clinical failure following BAE.Supplemental TAE of IPA is a safe and effective adjunct to BAE in the management of bronchial bleeding supplied by IPA.

According to the super-position principle of the reinforcement of biological activities, a series of novel E-substituted 2, 3-diaryl propenoic acyloxy phosphonate derivatives were designed and synthesized. And the structures of the target compounds were confirmed by IR, 1H NMR, 13C NMR and elemental analysis. Furthermore, the cytotoxicities of all compounds on A-549, SGC-7901 and EC-109 in vitro were evaluated by MTT assay, and some of them showed good antitumor activity. Among the active compounds, especially, the IC50 value of compound 3e was (12.7 ± 1.9) μmol x L(-1) against A-549 cells, similar to cisplatin [IC50 = (8.0 ± 1.5) μmol x L(-1)], compounds 3g and 3k had better inhibition effect on EC-109 cells growth, with the IC50 values of (9.5 ± 1.8) μmol x L(-1) and (11.5 ± 0.9) μmol x L(-1) respectively, and compounds 3i and 3k exhibited good cytotoxic property on A-549, SGC-7901 and EC-109, which were worth further investigation.
Antineoplastic Agents ; chemical synthesis ; pharmacology ; Cell Line, Tumor ; Cell Proliferation ; Drug Design ; Humans ; Organophosphonates ; chemical synthesis ; pharmacology

Objective To observe the influence of dexmedetomidine applied in combined acupuncture-medication anesthesia on vomiting after thyroidectomy. Method Seventy patients who were going to receive thyroidectomy were randomized into group A and B, with 35 cases in each group. Combined acupuncture-medication anesthesia [electroacupuncture at Hegu (LI4), Neiguan (PC6) and Futu (ST32) plus intravenous infusions of sufentanil citrate injection (0.3 mg/kg) 20 minutes before operation]was adopted in both groups. Group A was additionally intervened by constantvelocity micropump infusion of dexmedetomidine hydrochloride injection (0.5 mg/kg) within 10 minutes before operation and remaining 0.4 mg/kg/min during operation, while group B was intervened by infusion of normal saline 10 minutes before operation. The observer's assessment of awareness/sedation (OAA/S) scores at different time points[lying in bed for 5 minutes before operation (T0), before the beginning of the operation (T1), 30 minutes after operation (T2), 60 minutes after operation (T3) and at the end of operation (T4)] in the two groups were observed. The additional times and total dose of sufentanil during operation, the number of cases using esmolol and urapidil, and the number of vomiting cases occurred within 2 hours after operation and 2～24 hours after operation in the two groups were recorded.Result The additional times and total dose of sufentanil during operation in group A were significantly different from those in group B (P<0.01). The utilization rate of esmolol and urapidil were respectively 31.4％ and 14.3％ in group A versus 77.1％ and 65.7％ in group B, and the between-group differences were statistically significant (P<0.01). The incidence of vomiting within 2 hours after operation and 2～24 hours after operation were respectively 20.0％ and 17.1％in group A versus 54.3％ and 42.9％ in group B, and the between-group differences were statistically significant (P<0.01). The OAA/S scores at different time points (T1, T2, T3 and T4) in group A were significantly different from those in group B (P<0.01). Conclusion Dexmedetomidine applied in combined acupuncture-medication anesthesia can reduce the additional times and total dose of sufentanil during thyroidectomy, and it can reduce the incidence of postoperative vomiting as well.

Cysts ; therapy ; Embolization, Therapeutic ; methods ; Female ; Hepatic Artery ; Humans ; Liver Diseases ; therapy ; Male ; Middle Aged

OBJECTIVETo evaluate the safety and efficacy of the interventional techniques for management of celiac and mesenteric arteries stenoses.

METHODSEight patients with celiac artery (CA) or superior mesenteric artery (SMA) focal stenotic lesions were treated with percutaneous transluminal balloon angioplasty (PTA) and stent placement. CA stenosis was present in 2 patients, SMA stenosis was present in 4, and both CA and SMA were involved in 2 patients. Postprandial pain was present in 4 patients, an epigastric bruit was present in 5. All patients presented with weight loss averaging 8 kg. The causes of the stenoses were atheroscleroses in 7 patients, median arcuate ligament syndrome (MALS) involvement of the CA in 1 patient.

RESULTSPTA and stent placement was technically successful in the 8 patients. Three patients underwent stent placement in CA, 5 patients in SMA. Seven patients were treated with 1 stent, one was treated with 2 stents. The post-procedural arteriograms showed good dilation of the stenotic lesions in all patients. The puncture site hematoma occurred in 2 patients without severe consequences. Complete alleviation of abdominal pain occurred in 5 patients, significant improvement in 2, and no improvement in 1 patient. At three months after the procedures, weights were regained in 6 patients. Clinical follow-up was available in all 8 patients, with a mean follow-up of 42 months (median 28 months, range 6 to 72 months). Follow-up Doppler ultrasound examinations showed normal flow patterns, without evidences of re-stenosis in the stenting arteries. Five patients remained asymptomatic, one patient had intermittent abdominal pain even the stenting SMA to be patent. Two patients respectively died of unrelated CA/SMA stenosis in 14 and 24 months after the treatment.

CONCLUSIONPTA and stent placement are safe and effective methods for treatment of chronic CA and SMA focal stenoses, especially useful for these patients with a high surgical risk.

Adult ; Aged ; Angioplasty, Balloon ; methods ; Arterial Occlusive Diseases ; therapy ; Celiac Artery ; Constriction, Pathologic ; therapy ; Female ; Follow-Up Studies ; Humans ; Male ; Mesenteric Artery, Superior ; Mesenteric Vascular Occlusion ; therapy ; Middle Aged ; Stents ; Treatment Outcome

OBJECTIVETo evaluate the safety and efficacy of the combination of transcatheter arterial chemoembolization (TACE) and sorafenib in treatment of hepatocellular carcinoma (HCC) with lung metastasis.

METHODSThirty HCC patients with lung metastasis were treated by the combination of TACE and sorafenib between Oct 2006 and May 2008, including 27 men and 3 women. The age of the patients ranged 32 to 73 years old. Sorafenib was administrated orally at 400 mg, twice daily (the less tolerant patients received 200 mg, bid.), if there was no counterindication, at 3 - 4 weeks after TACE, with every 4 weeks as a course of treatment. The efficacy was evaluated at the end of every course of treatment.

RESULTSThe metastatic lesions in the lung were diminished in 6 cases and stable diseases achieved in 8 cases. The primary liver tumors were stable in 22 cases, including 10 cases achieved by TACE before sorafenib treatment. Eight cases had slightly progressed liver tumors and were treated with 1 - 3 times of TACE in combination with sorafenib. Side effects included skin lesions in 7 cases, hair loss in 6 cases, fatigue in 18 cases, diarrhea in 6 cases, anemia and bone marrow suppression in 5 cases, high blood pressure in 2 cases, and gastrointestinal bleeding in 1 case.

CONCLUSIONThe combination of TACE and sorafenib can be used as an effective treatment for hepatocellular carcinoma patients with lung metastasis, which may stabilize the disease in some patients.

Adult ; Aged ; Antineoplastic Agents ; adverse effects ; therapeutic use ; Benzenesulfonates ; adverse effects ; therapeutic use ; Carcinoma, Hepatocellular ; drug therapy ; secondary ; therapy ; Chemoembolization, Therapeutic ; methods ; Combined Modality Therapy ; Diarrhea ; chemically induced ; Fatigue ; chemically induced ; Female ; Humans ; Liver Neoplasms ; drug therapy ; pathology ; therapy ; Lung Neoplasms ; drug therapy ; secondary ; therapy ; Male ; Middle Aged ; Niacinamide ; analogs & derivatives ; Phenylurea Compounds ; Pyridines ; adverse effects ; therapeutic use

Angioplasty, Balloon ; methods ; Budd-Chiari Syndrome ; diagnostic imaging ; etiology ; therapy ; Hepatic Veins ; diagnostic imaging ; pathology ; Humans ; Liver ; diagnostic imaging ; pathology ; Liver Circulation ; Liver Transplantation ; adverse effects ; Living Donors ; Male ; Middle Aged ; Radiography ; Radiology, Interventional ; Retrospective Studies ; Treatment Outcome ; Ultrasonography, Doppler, Color

BACKGROUNDTranscatheter bronchial artery embolization (BAE) is widely used for the treatment of hemoptysis and the immediate success rate is high, but there are still some hemorrhage recurrences. One of the common reasons for failure of BAE is collateral branches as blood supply. The inferior phrenic artery (IPA) is one of the most common collateral branches that is scarcely reported. Our purpose was to observe manifestations of IPA supplying to hemoptysis and evaluate the efficacy and safety of IPA embolization.

METHODSAngiography during interventional treatment of 178 hemoptysis patients in the past 7 years confirmed that IPA hemorrhage resulted in hemoptysis in 25 patients (26 - 67 years old) who had: lung cancer (11 patients), bronchiectasis (11 patients), chronic lung inflammation (2 patients), and pulmonary tuberculosis (1 patient). Among the 25 patients, 7 patients had twice interventional operations within one week and 6 patients still experienced intraoperative hemoptysis after conventional embolization of the bronchial artery, the internal thoracic artery, and the intercostal artery, then had the second interventional operation immediately. The total number of cases were 191. Selective embolization of the IPA was performed using polyvinyl alcohol microspheres, gelatin sponge particles, and microcoil. The safety and clinical significance of IPA embolization were evaluated. The Pearson chi(2) test and Fisher's exact probability test were used in this study.

RESULTSSelective IPA angiography showed increased diameter of the IPA, disorganization of the branches, and varying degrees of angiogenesis. In 11 cases, contrast material was seen in vessels supplying the tumor and in the tumor. In 9 cases, contrast material had leaked into the area supplied by the IPA; in 8 cases, non-specific flake-like deposits of contrast material were seen; and in 14 cases, abnormal communication or shunt was visualized. Lesions were closely related to the pleura in 25 patients. Fifteen lesions were close to the diaphragmatic pleura, seven close to the mediastinal pleura, and three close to the lateral pleura of the lower lung. Eleven cases had inferior thoracic pleural thickening and adhesions. The IPA was embolized in 25 cases, and the success rate of hemostasis was 100%. The IPA was not embolized in the other 166 cases, and the success rate of hemostasis was 92.17 %. In the 25 cases with IPA embolization, the involvement of the IPA in the blood supply of the hemoptysis was correlated with the duration of the disease (P = 0.0344). The involvement of IPA in the blood supply of the hemoptysis was not correlated with the characteristic of the lung lesions (benign or malignant) (P = 1.0000). Duration of follow-up was 8 months to 5 years. Hemoptysis recurred in four patients 1, 2, 3, and 6 months after interventional operation, respectively, and was controlled by conservative treatment. Twenty-one patients had no recurrence of hemoptysis.

CONCLUSIONSBleeding from the IPA can result in hemoptysis and failure of BAE in the treatment of hemoptysis. If IPA hemorrhage contributes to hemoptysis, supplementary IPA embolization may be a safe and effective treatment.

Adult ; Aged ; Angiography ; Bronchiectasis ; complications ; diagnostic imaging ; Collateral Circulation ; Embolization, Therapeutic ; methods ; Female ; Hemoptysis ; diagnostic imaging ; etiology ; therapy ; Humans ; Lung Injury ; complications ; diagnostic imaging ; Lung Neoplasms ; complications ; diagnostic imaging ; Male ; Middle Aged ; Tuberculosis, Pulmonary ; complications ; diagnostic imaging