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Biomedical subjects

L J Fligelstone

Publications and source records attributed to L J Fligelstone.

At least 19 recordsLinked to original sources

Experience with femoro-popliteal vein as a conduit for vascular reconstruction in infected fields.

OBJECTIVE: to review the outcome of femoro-popliteal vein grafts for arterial reconstruction in the presence of sepsis. PATIENTS AND METHODS: twenty-six patients underwent 27 arterial reconstructions with femoro-popliteal vein in the presence of infection. Five had mycotic aneurysms (3 aortic, 1 iliac and 1 femoral), 21 had prosthetic graft infections (9 aortic, 8 femoro-femoral, 2 axillo-femoral, 1 ilio-femoral and 1 femoral dacron patch) and one underwent superior mesenteric artery reconstruction following ischaemic small bowel perforation.Arterial reconstruction followed debridement of infected tissue, removing any infected graft, povidone iodine washout and appropriate antibiotic cover. Where possible, new grafts were placed in a clean field or wrapped in omentum. Four femoral anastomoses were covered by rectus femoris flaps. RESULTS: there was one early postoperative death (4%) and no limb loss. All others remained free from infection with patent grafts at 1 month to 5 years (median 22 months). Three major wound infections healed without exposing the graft. One infarcted rectus femoris flap required removal. Donor limb swelling was transient. Five required percutaneous angioplasty and one underwent open profundaplasty within 3 months. CONCLUSION: femoro-popliteal vein reconstruction with debridement and appropriate antibiotic therapy is recommended for the treatment of arterial or graft infections.

Aged↗

Common bile duct stenting for choledocholithiasis: a district general hospital experience.

The favoured treatment of common bile duct stones is endoscopic sphincterotomy and stone extraction. The management of those cases where duct clearance is not possible is controversial. At our institution it has been policy to insert an endoluminal stent. We report a retrospective review of the outcome of patients stented for common bile duct stones. The study population was 14 men and 22 women, with a median age of 73 years (range 23-89 years). Treatment-related morbidity was seen in nine patients (25%), comprising cholangitis (5), pancreatitis (3), and cholecystitis (1). Three of these patients died; all were over the age of 75 years and had been stented on a long-term basis. These data suggest that endobiliary stents can be employed with an acceptable complication rate. We suggest that patients under the age of 75 years be stented only as a temporising measure, but that patients over 75 years or those unfit on physiological grounds can be stented on a long-term basis as definitive treatment.

Adult↗

Laparoscopic cholecystectomy: incidental carcinoma of the gallbladder with abdominal wall and axillary node metastasis.

A case report is presented of intra-mural gallbladder carcinoma discovered incidentally after laparoscopic cholecystectomy who subsequently developed abdominal wall recurrence at the epigastric exit port, and axillary lymph node metastases. Possible preventative steps for tumour dissemination and a management plan if incidental carcinoma is diagnosed is discussed. The use of a non-porous retrieval bag, early recognition of the carcinoma and excision of the exit wound are advocated.

Abdominal Muscles↗

The effects of platelet inhibitors on platelet uptake and restenosis after femoral angioplasty.

OBJECTIVE: To investigate the effects of two platelet inhibitors, aspirin and iloprost, on platelet uptake and restenosis at the site of angioplasty in patients undergoing femoral or popliteal angioplasty. EXPERIMENTAL DESIGN: Prospective, open, randomised group comparison. SETTING: Two university hospitals. PATIENTS: 43 patients undergoing femoral or popliteal angioplasty were randomised. INTERVENTIONS: Patients received either aspirin (300 mg/day), iloprost (8 hours/day i.v. infusion) or no antiplatelet medication during angioplasty and on the subsequent two days. MEASURES: Platelet uptake was measured using 111Indium-labelled platelets. Restenosis was assessed by repeat angiography at 3 months and clinical symptoms up to 12 months. RESULTS: Median changes in platelet uptake were similar in the three treatment groups, but all platelet radioactivity ratios > 2.0 occurred in the control group. Restenosis at 3 months was observed in 3 control, 5 aspirin and 1 iloprost patient. Further surgical intervention was performed in 3 control and 3 aspirin patients, but in none of the iloprost patients up to 12 months after angioplasty. CONCLUSIONS: Antiplatelet therapy may prevent large increases in platelet deposition at the angioplasty site, but the link between platelet deposition and restenosis was not substantiated in this study.

Aged↗

Can emergency general surgical referrals be reduced? A prospective study.

It has been proposed that early assessment by a senior surgeon would result in a significant reduction in the number of general surgical admissions. A prospective study of 290 surgical patients admitted to a busy district general hospital over a period of 1 calendar month has been performed to test this hypothesis. After admission, all patients were assessed by a senior surgeon who carried out triage for each patient. The commonest diagnoses in descending order of frequency were non-specific abdominal pain, appendicitis, diverticular disease, cholecystitis, head injury and pancreatitis. Twenty-two per cent of emergency admissions underwent emergency surgery. A total of 90.7% of admissions were deemed appropriate, 5.5% were deemed inappropriate and in 3.8% of cases the senior surgeon was uncertain as to whether the patient should be admitted or not. Our data fail to substantiate the claim that a significant reduction in intake size would be achieved by early assessment by a senior surgeon. Assessment by surgeons may mean sacrificing other clinical commitments, and is likely to result in a diminution in the standard of both basic and higher surgical training.

Adolescent↗

Phraseology in pathology reports. A comparative study of interpretation among pathologists and surgeons.

This questionnaire based study compared the interpretation, use and preferences, among pathologists and surgeons, of descriptive phrases found in surgical reports. The results show that there is a wide variation in individual interpretation of phrases in both groups. The frequency of usage of phrases by pathologists and preference for phrases by surgeons were also diverse. The adoption of a limited number of descriptive phrases that are mutually understood and acceptable for use by both pathologists and clinicians is recommended to avoid interpretive ambiguity in pathology reports.

Communication↗

Problematic renal calculi presenting during pregnancy.

Urinary tract calculi presenting during pregnancy are rare, with less than 0.1% of pregnancies being associated with stones, the vast majority being asymptomatic and a chance finding. We outline six cases treated over an 8-year period. They presented with combinations of pain, sepsis and obstruction. Intervention was required in four cases: insertion of antegrade nephrostomy, double-J stent, Dormia basket stone extraction, open pyelolithotomy and induction of labour. In each case the pregnancy had a successful outcome. Renal colic can precipitate premature labour. Delayed diagnosis and intervention can result in permanent renal impairment. Ionising radiation and anaesthetic agents may be harmful during pregnancy. The problem is rarely encountered and we therefore present information on the relative risks in each trimester of exposure to the mother and fetus and present a clinical algorithm for the management of these patients.

Adult↗

The influence of total knee arthroplasty on lower limb blood flow.

Ischaemic complications of total knee arthroplasty (TKA) are unusual and tend to occur in patients with peripheral vascular disease (PVD). A prospective study was undertaken to investigate the effect of TKA on blood flow in patients without clinical evidence of PVD. Ankle brachial index (ABI) did not alter post-operatively and no changes in arterial waveforms were found. Unless there is clinical evidence of PVD, TKA under tourniquet control is therefore very unlikely to cause ischaemic complications.

Aged↗

Flush saphenofemoral ligation and multiple stab phlebectomy preserve a useful greater saphenous vein four years after surgery.

PURPOSE: Flush saphenofemoral ligation, with multiple cosmetic stab phlebectomy, successfully treats saphenofemoral reflux and superficial varicosities. The long-term effect on the residual greater saphenous vein (GSV) requires evaluation. METHODS: Noninvasive triplex ultrasound assessment of the residual GSV for potential use as a vein graft was used. We evaluated the independent objective and subjective cosmetic outcomes. We also used analysis to determine the correlation between GSV reflux, symptoms, and cosmetic outcome. RESULTS: Seventy-two limbs were assessed at a median follow-up of 4 years (interquartile range 3 to 5 years). Fifty-nine limbs had patent GSVs above and below the knee. The mean length patent was 51 cm, and the mean internal diameters above and below the knee were 3.6 and 2.8 mm, respectively. In 65% of cases the vein had suitable ultrasonic characteristics, suggesting that it would be suitable for use as a conduit for a vascular bypass graft. Sixty-two limbs were considered a symptomatic success and 61 an objective cosmetic success. There was no correlation between the symptomatic and cosmetic outcome and the presence of superficial GSV reflux (linear regression analysis). CONCLUSIONS: These findings support the effectiveness of the procedure of flush saphenofemoral ligation and multiple stab phlebectomy with regard to cosmetic and symptomatic outcome and may preserve the GSV for use as an autologous bypass graft.

Esthetics↗

Lupus anticoagulant in patients with peripheral vascular disease: a prospective study.

OBJECTIVE: To assess the incidence of lupus anticoagulant (LAC) in patients with peripheral vascular disease. DESIGN: Prospective clinical study. SETTING: University Hospital. MATERIALS: 20 patients with claudication (group 2), 20 patients with critical ischaemia (group 3) and 20 patients prior to elective abdominal aortic aneurysm surgery (group 4) were compared to 20 general surgical controls (group 1). CHIEF OUTCOME MEASURES: Venous blood samples for coagulation assay. MAIN RESULTS: Positive results for LAC by the Dilute Russell's viper venom time (DRVVT) with the platelet neutralisation procedure were present in 26 out of 60 vascular patients compared with none of the 20 general surgical controls. The three vascular groups showed a similar prevalence of LAC and this differed significantly from that in the control group (chi 2 = 10.94, p = 0.0009). Of the 26 positive results only three were associated with an abnormal activated partial thromboplastin time (APTT), which has previously been used as a marker for the presence of LAC activity. Fibrinogen levels were raised in seven of 20 patients in group 2 but were normal in the remaining vascular groups (p = 0.001). The mean factor VII level (124.1 units dl-1) in group 2 was higher than the mean of the remaining vascular patients (109.3 units dl-1, p < 0.05). CONCLUSIONS: The high prevalence of LAC in patients with peripheral vascular disease and the associated increased risk of early graft thrombosis may justify routine testing by DRVVT prior to reconstructive vascular surgery. Treatment of these patients with antiplatelet agents or formal anticoagulation perioperatively should be considered.

Aged↗

An audit of stab wounds in Cardiff.

The incidence of stabbings in the United Kingdom has not been determined. We audited all cases of stabbings presenting to the Accident and Emergency Department of the Cardiff Royal Infirmary over an 18-month period from 1 January 1991. Over 122 000 new cases presented, 92 (0.075) with stab wounds, 48% of which required hospital admission. Stabbings accounted for 62 060 pounds of the surgical budget. There was a high incidence of self-inflicted stab wounds accounting for a significant proportion of the expenditure. This has not been reported previously.

Adolescent↗

Vascular trauma in civilian practice.

Vascular trauma is associated with major morbidity and mortality, but little is known about its incidence or nature in Britain. A retrospective study of 36 patients requiring operative intervention for vascular trauma under one vascular surgeon over a 6-year period was undertaken. Twenty-four patients suffered iatrogenic trauma (median age 61 years); including cardiological intervention (19), radiological intervention (2), varicose vein surgery (1), umbilical vein catherisation (1) and isolated hyperthermic limb perfusion (1). There were 23 arterial and three venous injuries. Twelve patients had accidental trauma (median age 23 years). Three of the ten patients with blunt trauma were referred for vascular assessment before orthopaedic intervention, two after an on-table angiogram and five only after an initial orthopaedic procedure (range of delay 6 h to 10 days). Injuries were arterial in nine, venous in two and combined in one. Angiography was obtained in six patients, and in two patients with multiple upper limb fractures identified the site of injury when clinical localisation was difficult. A variety of vascular techniques were used to treat the injuries. Two patients died postoperatively and one underwent major limb amputation. Thirty-two (89%) remain free of vascular sequelae after a median follow-up of 48 months (range 3-72 months). Vascular trauma is uncommon in the United Kingdom. To repair the injuries a limited repertoire of vascular surgery techniques is needed. Therefore, vascular surgical assessment should be sought at an early stage to prevent major limb loss.

Accidents↗

The Klippel-Trenaunay syndrome: a rare cause of hematuria requiring nephrectomy.

The Klippel-Trenaunay syndrome is a rare disorder in which the congenital vascular anomalies can affect the urogenital tract. Several cases of hemorrhage from the urogenital system have been reported in children with this condition. We report an upper renal tract hemorrhage in an adult, which required nephrectomy. To our knowledge this condition has not been reported previously in an adult with the Klippel-Trenaunay syndrome. We discuss the condition, and its diagnosis, treatment and relevance to the urogenital tract.

Adult↗