Search PubMed⌕ Search

SEARCH · Search PubMed

Results for “VEINS”

Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 667 records · Page 37Linked to original sources
PubMed1999

Prevalence of varicose veins and chronic venous insufficiency in men and women in the general population: Edinburgh Vein Study.

STUDY OBJECTIVE: To determine the prevalence of varicose veins and chronic venous insufficiency (CVI) in the general population. DESIGN: Cross sectional survey. SETTING: City of Edinburgh. PARTICIPANTS: Men and women aged 18-64 years selected randomly from age-sex registers of 12 general practices. MAIN RESULTS: In 1566 subjects examined, the age adjusted prevalence of trunk varices was 40% in men and 32% in women (p < or = 0.01). This sex difference was mostly a result of higher prevalence of mild trunk varices in men. More than 80% of all subjects had mild hyphenweb and reticular varices. The age adjusted prevalence of CVI was 9% in men and 7% in women (p < or = 0.05). The prevalence of all categories of varices and of CVI increased with age (p < or = 0.001). No relation was found with social class. CONCLUSIONS: Approximately one third of men and women aged 18-64 years had trunk varices. In contrast with the findings in most previous studies, mainly conducted in the 1960s and 1970s, chronic venous insufficiency and mild varicose veins were more common in men than women. No evidence of bias in the study was found to account for this sex difference. Changes in lifestyle or other factors might be contributing to an alteration in the epidemiology of venous disease.

Adolescent↗
PubMed2003

Randomized study comparing combined pulmonary vein-left atrial junction disconnection and cavotricuspid isthmus ablation versus pulmonary vein-left atrial junction disconnection alone in patients presenting with typical atrial flutter and atrial fibrillation.

BACKGROUND: Atrial flutter (AFL) and atrial fibrillation (AF) frequently coexist in the same patient. Recently it has been demonstrated that the triggers for both AF and AFL may originate in the pulmonary veins (PVs). We hypothesized that in patients with both AF and typical AFL, pulmonary vein-left atrial junction (PV-LAJ) disconnection may eliminate both arrhythmias. METHODS AND RESULTS: Consecutive patients with documented symptomatic AF and typical AFL were randomly assigned to have PV-LAJ disconnection combined with cavotricuspid isthmus (CTI) ablation (group 1, n=49) or PV-LAJ disconnection alone (group 2, n=59). Within the first 8 weeks after ablation, 32 of the group 2 patients had typical AFL documented, whereas none was seen in group 1. Twenty of these 32 converted to sinus rhythm after initiating antiarrhythmic drugs (AADs). Twelve were cardioverted, and AADs were started. After 8 weeks, all AADS were stopped, and only 3 patients continued to have recurrent sustained typical AFL that was eliminated by CTI ablation. Beyond 8 weeks of follow-up, 7 patients in group 1 and 6 patients in group 2 (14% and 11%, respectively) continued to have AF. Ten of these 13 patients underwent a repeat PV-LAJ disconnection procedure and were cured. The remaining 3 remained in normal sinus rhythm while taking AADs. CONCLUSIONS: In patients with both AFL and AF, PV-LAJ disconnection alone may be sufficient to control both arrhythmias. CTI block reduced early postablation recurrence of arrhythmias, which in the majority of patients reflects a short-term clinical problem.

Anti-Arrhythmia Agents↗
PubMed2003

Increased pelvic vein thrombi in cryptogenic stroke: results of the Paradoxical Emboli from Large Veins in Ischemic Stroke (PELVIS) study.

BACKGROUND AND PURPOSE: Cryptogenic stroke is associated with an increased prevalence of patent foramen ovale. The Paradoxical Emboli From Large Veins in Ischemic Stroke (PELVIS) study hypothesized that patients with cryptogenic stroke have an increased prevalence of pelvic deep venous thrombosis (DVT). METHODS: At 5 sites, patients 18 to 60 years of age received an MRI venogram (MRV) of the pelvis within 72 hours of new symptom onset. Clinical data were then determined. Radiologists blinded to clinical data later read the scans. RESULTS: The 95 patients who met entry criteria were scanned. Their mean+/-SD age was 46+/-10 years, and time from stroke onset to pelvic MRV scan was 49+/-16 hours. Compared with those with stroke of determined origin (n=49), patients with cryptogenic stroke (n=46) were significantly younger, had a higher prevalence of patent foramen ovale (61% versus 19%), and had less atherosclerosis risk factors. Cryptogenic patients had more MRV scans with a high probability for pelvic DVT (20%) than patients with stroke of determined origin (4%, P<0.03), with most having an appearance of a chronic DVT. CONCLUSIONS: In this study of young stroke patients evaluated early after stroke, patients with cryptogenic stroke showed differences in several clinical features compared with patients with stroke of determined origin, including increased prevalence of pelvic DVT. The results require confirmation but suggest that paradoxical embolus from the pelvic veins may be the cause of stroke in a subset of patients classified as having cryptogenic stroke.

Adolescent↗
PubMedDate not supplied

Analysis of host response to hepatectomy by simultaneous measurement of cytokines in the portal vein, caval vein and radial artery.

We analysed the host response to hepatectomy by simultaneous measurement of various cytokines and their antagonists in the portal vein, caval vein and radial artery in 10 patients with hepatocellular carcinoma. Concentrations of tumour necrosis factor-alpha (TNF), interleukin (IL) 1 beta, IL-2, IL-6, IL-10, soluble TNF receptor type I (sTNF-R), soluble IL-2 receptor (sIL-2R), IL-1 receptor antagonist (IL-1ra), soluble CD14 (sCD14) and endotoxin were determined just before and 1 h after hepatectomy. The values of IL-6, sTNF-R and IL-1ra were significantly increased after hepatectomy at each sampling site. In contrast, the levels of sIL-2R and sCD14 after hepatectomy were significantly decreased, and the levels of IL-1 beta, IL-2 and IL-10 were below the detection limits. Differences in cytokine concentrations between sampling sites revealed that the surgical stress of hepatectomy induced significant IL-1ra production in the liver and sTNF-R and IL-6 production in the lungs. These results suggest that hepatic resection is followed by the production of cytokine antagonists, such as IL-1ra, sTNF-R and IL-6, which could represent an important regulatory mechanism against surgical stress.

Aged↗
PubMed1975

Saphenous vein graft from aorta to coronary vein with production of continuous murmur. A complication of coronary artery bypass surgery.

A saphenous vein graft was inadvertently placed from the aorta to the coronary vein adjacent to the proximal left anterior descending coronary artery in a 53-year-old man with symptomatic coronary artery disease. The post-operative finding of a continuous murmur led to cardiac catheterization and successful surgical correction. The postoperative finding of a continuous murmur must alert the clinician to this possible technical error.

Coronary Artery Bypass↗
PubMed2002

Transfemoral superior ophthalmic vein approach via the facial vein for the treatment of carotid-cavernous fistulas--two case reports.

Two elderly female patients with carotid-cavernous fistulas (CCFs) were treated by transvenous embolization through a transfemoral superior ophthalmic vein approach via the facial vein. Complete occlusion of CCFs was not achieved with this technique exclusively, but the technique was effective in these cases. This technique provides an alternative to other transvenous approaches for the treatment of CCFs.

Aged↗
PubMed1999

Return of the internal jugular vein--development of collateral drainage following neonatal ligation of the vein.

The development of collateral venous drainage in the neck of a child, who as a neonate had undergone ligation and cannulation of the right internal jugular vein, is described. The resultant vessels were of sufficient calibre to be considered as potential sites for vascular access, although it is possible that their course in the thorax may preclude correct placement of a central venous catheter. Nevertheless, we feel that this case further illustrates the benefit of hand-held ultrasonography in visualizing the vascular structures of the neck. Moreover, ligation of a vein in the neonatal period should not be a contraindication to subsequent assessment of that site for vascular access.

Carotid Artery, Common↗
PubMed1976

[Extrahepatic stenosis of the portal vein after infection or catheterization of the umbilical vein during the neonatal period (author's transl)].

147 children with high risk of developing a prehepatic portal vein obstruction were reexamined. The children had survived during their neonatal period:--Serious umbilical infection and sepsis (n=33)--Multiple exchange transfusion (n=55)--Long-term umbilical vein catheter treatment for at least 24 hrs (n=59). The reexamination at the age of 2--4 years revealed one case of total occlusion of the vena lienalis with partial obstruction of the vena portae in a child with former umbilical sepsis. Even though the etiologic relation of neonatal umbilical disorders and prehepatic portal obstruction is evident, the risk for the individual case seems to be low.

Catheterization↗
PubMed2001

[Initial experience with surgical decompression of the vein in branch retinal vein occlusion].

Due to the development of the armamentarium and surgical techniques, the indications of pars plana vitrectomy (PPV) are expanding. It concerns also a relatively new indication, as is the branch retinal vein occlusion (BRVO) of the temporal part of the posterior pole of the retina with the secondary involvement of the macular region. The purpose of this prospective study is to demonstrate anatomical and functional results after the surgical decompression of the occlusion of the branch retinal vein draining the macular region. Since November 1999, 3 patients, one woman and 2 men (age 70, 47 and 76 years) with the quadrant BRVO of the temporal part of the retina involving the macular region were followed. The visual acuity before the surgery in all 3 patients was 6/36 (20/120 or 0.16) and the BRVO lasted for 3-5 months. The patients were examined by slitlamp biomicroscopy, and the course of the disease was documented by means of red-free fundus photographs as well as fluorescein angiograms. In all three patients, PPV and the adventitial sheathotomy of the arteriovenous crossing (AVC) were performed. Surgical decompression of BRVO and reperfusion of the ischemic part of the retina was achieved by separating the overlying arteriole from the venule at AVC. Neither per- nor postoperative complications were noted. In two patients, the visual acuity improved to 6/12 (20/40 or 0.5), and in the last one stabilized at 1/9 (20/180 or 0.11). The minimal follow-up period was 12 months. In conclusion, we recommend to performing this new type of delicate surgery procedure in individual cases on the basis of detailed biomicroscopial examination and fluorecein angiograms by an experienced vitreoretinal surgeon.

Aged↗
PubMed2002

Varicose veins: hooks, clamps, and suction. Application of new techniques to enhance varicose vein surgery.

Surgical principles that guided varicose vein surgery for nearly 75 years have been time honored and taught to generations of surgeons. Each of these principles has been challenged successfully, and, as a result, varicose vein surgery has changed markedly. The fundamental principle of totally removing varicose clusters from the circulation remains firmly established. However, methods of accomplishing this have changed and continue to change. Hook phlebectomy and clamp phlebectomy have replaced open dissection and tributary ligation. The place of tumescent anesthesia, transilluminated-powered phlebectomy, and sclerotherapy remain unsettled. However, there now are a number of alternatives in planning patient care.

Humans↗
PubMed2002

Preshunt and postshunt portal vein pressures and portal vein-to-inferior vena cava pressure gradients do not predict outcome following partial portal decompression.

This study was undertaken to determine whether preshunt, postshunt, or changes in portal vein (PV) pressures or portal vein-to-inferior vena cava (PV-IVC) pressure gradients determine outcome following partial portal decompression attained through small-diameter prosthetic H-graft portacaval shunt (HGPCS). Seventy-seven adults underwent HGPCS (Child's class A 10%, B 56%, and C 34%) and were prospectively evaluated per protocol. PV pressures and PV-IVC pressure gradients decreased significantly in all patients with shunting (P < 0.001). Eight (10%) patients died within 30 days of shunting (Child's class B 50% and C 50%); seven of these deaths were due to liver failure. Preshunt, postshunt, and changes in PV pressures or PV-IVC pressure gradients with shunting were not different among eight perioperative deaths and survivors. At a mean follow-up of 3 years 24 (35%) additional patients died. Of late deaths 62 per cent were due to liver failure (Child's class B 40% and C 60%). Again preshunt, postshunt, or changes in PV pressures and PV-IVC pressure gradients with shunting did not predict who would die of late liver failure. We conclude that the small-diameter HGPCS effectively provides partial portal decompression. Preshunt or postshunt PV pressures or PV-IVC pressure gradients or changes in pressures with shunting do not determine outcome following HGPCS. Long-tern outcome is influenced by the severity of cirrhosis before shunting and by the self-destructive behaviors typical of patients with alcoholic cirrhosis.

Adult↗
PubMedDate not supplied

Treatment of portal vein septic thrombosis by infusion of antibiotics and an antifungal agent into portal vein and superior mesenteric artery: a case report.

A 44-year-old man was hospitalized because of right-sided abdominal pain and fever. On admission, he presented spike fever, jaundice, and renal failure. Abdominal ultrasonography and computed tomography showed extensive thrombus in the portal vein. Anaerobic bacteria were identified in arterial and portal blood cultures. Based on these findings, septic thrombosis of the portal vein was diagnosed. Intraportal infusion of antibiotics, urokinase and an antifungal agent, followed by infusion of antimicrobials, urokinase, and heparin into the superior mesenteric artery resulted in marked improvement of symptoms and signs. Diverticulitis of the ascending colon was later found to be the underlying disease. In the follow-up, there were no signs of recurrent disease.

Actinomycetales Infections↗
PubMed1989

[Role of the vitreous in retinal neovascularization evaluated by a comparison of central retinal vein occlusion and branch retinal vein occlusion].

Thirty three patients (33 eyes) with central retinal vein occlusion (CRVO) and 80 patients (81 eyes) with branch retinal vein occlusion (BRVO) were studied in an attempt to investigate the role of the vitreous in the formation of retinal neovascularization. All these eyes had some areas of capillary nonperfusion confirmed by fluorescein angiography and no scatter photocoagulation before the first examination. The incidence of new vessels at the optic disc (NVD) in CRVO was not significantly different from that in BRVO. However, the incidence of new vessels elsewhere (NVE) in CRVO was significantly less than that in BRVO. Follow-up vitreous examination of 36 cases while they had not developed NVD and/or NVE showed a higher incidence of posterior vitreous detachment from the mid-peripheral retina (MP-PVD) in CRVO than in BRVO. On the other hand, there was no statistically significant difference in the incidence of posterior vitreous detachment from the optic disk (D-PVD) between CRVO and BRVO. The high incidence of MP-PVD in CRVO may explain the low incidence of NVE in CRVO.

Adult↗
PubMed1979

[Sarcoma of the right superior pulmonary vein: physiopathological study of the progressive stenosis in a lobar vein (author's transl)].

A part from the interest aroused by the exceptional nature of this case of sarcoma of the right superior pulmonary vein, it enabled definition of the angiographic appearances of the affection of the vein. Physiopathological examinations, including vascular redistribution, development of a systemic collateral circulation, and the reflux of hematosed blood into the pulmonary trunk, were able to establish the diagnosis in vivo.

Collateral Circulation↗