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PubMed1993

Venous stasis complications of the use of the superficial femoral and popliteal veins for lower extremity bypass.

PURPOSE: The widely accepted durability of autogenous vein for infrainguinal arterial bypass has led the authors to use the superficial femoral and popliteal vein in selected cases. The results of this experience are presented. METHODS: From January through December 1991, during which 92 lower extremity bypass procedures were performed, deep vein bypass was attempted in seven patients (three femoral-popliteal grafts, two femoral-peroneal grafts, one femoral-deep femoral bypass, and one popliteal-posterior tibial bypass). In all cases the saphenous vein was absent or inadequate for use as a bypass conduit. The superficial femoral vein was harvested to below the knee in five patients. RESULTS: At last follow-up six of seven patients had patent grafts with relief of their original symptoms. All the procedures were complicated by venous stasis; acute postoperative phlegmasia developed in two cases. In one of these cases the limb was salvaged by below-knee fasciotomy and deep venous bypass (distal popliteal vein to common femoral vein with polytetrafluoroethylene). In the other case an above-knee amputation was required. Of the five remaining patients three had moderate venous stasis edema unresponsive to limb elevation and compression stockings after operation, and two have had resolution of minimal postoperative venous stasis with simple limb elevation. All cases of severe and moderate venous stasis occurred in patients with popliteal vein harvest to below the knee. CONCLUSIONS: The authors conclude that the use of the deep veins of the lower extremity for bypass is effective but is associated with a significant increase incidence of venous stasis edema. Two instances of phlegmasia were associated with popliteal vein harvest below the knee, and the authors caution against harvest of the popliteal vein to this level.

Aged↗

PubMed2002

Postthrombotic syndrome after isolated calf deep venous thrombosis: the role of popliteal reflux.

OBJECTIVE: The purpose of this study was to evaluate the long-term clinical and hemodynamic outcomes after isolated first-time calf deep venous thrombosis (cDVT). METHODS: This retrospective clinical study was set in an academic referral center. From 1990 to 1994, 617 patients were seen with acute DVT. This number included 82 patients with phlebographically confirmed cDVT. Of those patients, 50 attended the clinical assessment 6 to 10 years (mean, 8.4 years) after the acute event. All patients with cDVT underwent treatment with anticoagulant therapy (96% heparin and warfarin, 4% only warfarin). The duration of the heparin treatment was 4.0 to 8.0 days (mean, 6.4 days), and warfarin was given for 2.0 to 7.5 months (mean, 3.4 months). Compression stockings were used regularly (mean, 9.2 months; range, 0.25 to 64 months) in 30% of the patients after acute cDVT. The initial ipsilateral phlebograms were reevaluated to confirm the diagnosis of cDVT without popliteal involvement. The clinical assessment included evaluation of both legs according to CEAP clinical classification C0-6. Bilateral color-flow duplex scan imaging was performed to assess reflux in deep popliteal segments. Photoplethysmographic measurement of venous refilling time was conducted in both legs to observe deep reflux. RESULTS: The mean age was 57 years (range, 30 to 76 years) at the time of the clinical assessment. Cause of acute cDVT was idiopathy in 52%, coagulopathy in 2%, trauma in 10%, immobilization in 22%, and postoperative in 14% of the cases. During the follow-up period, seven recurrent DVTs (14%) were seen. In the clinical assessment, 17 legs (34%) with previous cDVT had skin changes (CEAP C4-6). No active ulcers were found. Contralaterally, the frequency of C4-6 was 10% (n = 5; P <.05). After exclusion of recurrent DVTs, the distribution of the clinical classification still remained the same. Deep popliteal reflux was detected in 20 legs (40%) with previous cDVT. Contralaterally, popliteal reflux was seen in nine cases (18%; P <.05). Plethysmography showed deep reflux in 16 legs (33%) with cDVT and in nine cases (18%) contralaterally (P >.05). A significant association was found between deep popliteal reflux and skin changes (P <.05). CONCLUSION: In the long-term follow-up, cDVT may lead to significant postthrombotic disease. Reflux in the primarily uninvolved popliteal vein is frequent and may be associated with more severe disease.

Anticoagulants↗

PubMed2003

A systematic review of pneumatic compression for treatment of chronic venous insufficiency and venous ulcers.

INTRODUCTION: As part of a reconsideration of coverage policy, the Centers for Medicare and Medicaid Services requested a systematic review of the evidence on the use of pneumatic compression devices in the home environment for treatment of chronic venous insufficiency (CVI) and venous ulcers. METHODS: Articles were found with a systematic literature search of MEDLINE, EMBASE, and AMED (Allied and Complementary Medicine) databases, hand searches of reference lists, and suggestions of experts. RESULTS: Eight trials that met the inclusion criteria, including several randomized control trials, were found. Most studies were small and may have been underpowered. However, several were well-designed randomized controlled trials. Three studies showed that the devices could alleviate symptoms of CVI. No studies directly measured whether the devices could prevent the occurrence of venous ulcers. Some studies on the treatment of venous ulcers did not show a benefit for pneumatic compression, but other studies showed a benefit for the devices in healing long-standing chronic ulcers that had not healed with other methods. No studies directly compared single-chamber and multiple-chamber devices or studied whether the effectiveness of the pump was dependent on types of treatment used concurrently with the pump. Few adverse events were reported in the trials. Patients generally expressed satisfaction with the pneumatic compression devices, and several studies reported higher compliance than with other compression methods. CONCLUSION: The available data cannot be relied on to inform the optimal choice of compression therapy or optimal protocol for patients with CVI or venous ulcers. Methodologically rigorous research designed to answer these questions would be useful for treatment decisions. The Centers for Medicare and Medicaid Services considered the results of this study and issued a decision that pneumatic compression will only be covered for patients with refractory edema with significant ulceration of the lower extremities after a 6-month trial of standard therapies, such as compression stockings, has failed.

Chronic Disease↗

PubMed1993

Reduction of filaritic lymphoedema and elephantiasis by 5,6 benzo-alpha-pyrone (coumarin), and the effects of diethylcarbamazine (DEC).

Chronic filaritic lymphoedema and elephantiasis, in India, were treated orally with 5,6 benzo-alpha-pyrone (56 BaP; 1,2 benzo-alpha-pyrone; coumarin) in a double-blind, randomized, matched-group trial. Each group finally contained 40-55 patients. Patients were observed for about 2 years (ranging from 6 to 45 months, with 75% completing the 2 years). The 56 BaP slowly, but very significantly (P < 0.0001), reduced all grades of lymphoedema and elephantiasis. Two thirds of the oedema was lost by grade 2 over 2 years. Grades 3 to 5 were reduced by a fifty over that time. The greater the initial oedema, the greater was its rate of resolution. A slowly worsening condition thus became a slowly improving one. Slowness has its advantages: compression stockings, that are impractical in hot, wet or dirty conditions, are not necessary. The slowly remodelling fibrous tissue, while lessening in amount, is still able to hold the tissues together. The 56 BaP considerably improved many symptoms and complications, particularly bursting-pains, inflammation and ulcers. It is cheap and of very low toxicity. Diethylcarbamazine (DEC) was studied with and without 56 BaP. DEC alone gave some reduction of the oedema, but this was much smaller than that with 56 BaP. It considerably worsened the reductions by 56 BaP, while 56 Bap slightly improved those by DEC and reduced the fever caused by DEC. Together, they reduced feelings of swelling and bursting-pain, fungal infections, lymphangitis and lymphadenitis more than when used alone.

Adult↗

PubMed2004

Thromboembolic disease and air travel in pregnancy: a survey of advice given by obstetricians.

The objective of this study was to document the awareness of risk and the nature of advice given by obstetricians to pregnant women who intend to travel by air and to compare the results with the advice given in an opinion paper of the Royal College of Obstetricians and Gynaecologists. The results were based on a self-completed questionnaire. All registered members of the Royal College of Obstetricians and Gynaecologists comprising 1349 individuals, obtained from a list provided by the RCOG, were invited to participate. An anonymous postal questionnaire was completed by the individuals before publication of the opinion paper of the RCOG. A total of 862 (62%) questionnaires returned, and 690 (51%) were available for analysis; 67% of obstetricians regard flying as being safe throughout pregnancy, 33% only in the 2nd and 3rd trimester. Nearly all obstetricians advised on simple prophylactic measures such as mobilisation, fluid intake and leg exercise. Fifty-three per cent would advise the use of prophylactic aspirin (75 mg), 49% the use of compression stockings; 4% recommended heparinisation; 44% believed this advice to be applicable only for the 2nd and 3rd trimester, while the RCOG emphasises that the risk of developing venous thromboembolism begins in the 1st trimester. Obstetricians as well as other health professionals need to be made aware that advice on air travel in pregnancy needs to start in the 1st trimester. Further research is needed to explore the relevance of the duration of flight when considering the application of thromboprophylactic measures as well as the value and choice of pharmacological treatment such as aspirin and heparin.

Aircraft↗

PubMed2005

Management of leukocytoclastic vasculitis.

Leukocytoclastic vasculitis (LcV) is the most common form of vasculitis of the skin and usually results from deposition of immune complexes at the vessel wall. It presents in different forms and in association with different diseases. When IgA is the dominant immunoglobulin in immune complexes, systemic involvement is likely in both children and adults (Henoch-Schönlein purpura--HSP). LcV due to IgG- or IgM-containing immune complexes has less systemic involvement and a better prognosis than HSP. Other forms of LcV include cryoglobulinaemic, urticarial and ANCA-associated LcV as well as LcV associated with vasculopathy and coagulopathy in SCLE/SLE or in bacteraemia/sepsis. The aim of diagnostic guidelines is to determine the specific type and systemic involvement of LcV and to identify an underlying cause. Basic work-up should encompass history of drug intake and of preceding infections, biopsy with immunofluorescence, differential blood count, urine analysis and throat swabs. Therapy of immune complex LcV often does not require aggressive therapy due to a usually favourable course. It includes avoidance or treatment of eliciting agents and use of compression stockings to reduce purpura. There are no large prospective randomized controlled studies. Corticosteroids are indicated when there are signs of incipient skin necrosis. In chronic or relapsing LcV we suggest colchicine as a first-line and dapsone as a second-line therapy. Corticosteroids may reduce the incidence of severe renal insufficiency in children according to some studies, but there is no study showing such an effect in adults. Severe systemic vasculitis requires immunosuppressive strategies.

Humans↗

PubMed2006

Vena cava filters in spinal cord injuries: evolving technology.

BACKGROUND: Asymptomatic deep venous thrombosis (DVT) has been reported in 60% to 100% of persons with spinal cord injury (SCI). Several guidelines have been published detailing recommended venous thromboembolism (VTE) prophylaxis after acute SCI. Low-molecular-weight heparin, intermittent pneumatic compression (IPC) devices, and/or graduated compression stockings are recommended. Vena cava filters (VCFs) are recommended for secondary prophylaxis in certain situations. OBJECTIVE: To clarify the use of vena cava filters in patients with SCI. METHODS: Literature review. RESULTS: Prophylactic use of vena cava filters has expanded in trauma patients, including individuals with SCI. Filter placement effectively prevents pulmonary emboli and has a low complication rate. Indications include pulmonary embolus while on anticoagulant therapy, presence of pulmonary embolus and contraindication for anticoagulation, and documented free-floating ileofemoral thrombus. VCFs should be considered in patients with complete motor paralysis caused by lesions in the high cervical cord (C2 and C3), with poor cardiopulmonary reserve, or with thrombus in the inferior vena cava despite anticoagulant prophylaxis. Three optional retrievable filters that are approved for use are discussed. CONCLUSION: Retrievable VCFs are a safe, feasible option for secondary prophylaxis of VTE in patients with SCI. Objective criteria for temporary and permanent placement need to be defined.

Anticoagulants↗

PubMed1998

Treatment of leg edema and wounds in a patient with severe musculoskeletal injuries.

This case report describes the application of a technique for the treatment of leg edema and wounds resulting from a severe distal tibiofibular fracture. Following injury and numerous fracture- and wound-related surgeries in the first year postinjury, this patient developed leg edema, required daily treatment of 2 leg wounds, and was unable to wear a shoe due to foot swelling. He was referred to the physical therapy clinic 1 year postinjury for ankle rehabilitation and to diminish the leg edema. Therapy consisting of manual lymph drainage, compressive bandaging, exercise, and skin care was provided for 7 weeks. A compression stocking was issued near the end of treatment, which the patient continued to wear daily thereafter. At the time of discharge from therapy, the leg edema had decreased 74% and the wound area of both wounds had decreased 89%. Improvements continued following discharge. By 10 weeks after the start of treatment, edema had decreased 80.9%, one wound had healed, and the second wound was 93% improved. The patient was able to wear a shoe and resume recreational activities. This case report provides insight into a treatment that may shorten rehabilitation and control the cost of caring for injuries complicated by prolonged edema.

Bandages↗

PubMed2004

Dehydration and venous thromboembolism after acute stroke.

BACKGROUND: Although it is widely assumed that dehydration predisposes to venous thromboembolism (VTE), there are no clinical studies to support this. AIM: To evaluate the relationship between biochemical indices of dehydration and VTE after acute ischaemic stroke (AIS). DESIGN: Prospective observational study. METHODS: Unselected AIS patients (n = 102) receiving standard thromboprophylaxis with aspirin and graded compression stockings, underwent serial measurements of serum urea, creatinine and osmolality, and were screened for VTE using magnetic resonance direct thrombus imaging. RESULTS: Serum osmolality of >297 mOsm/kg, urea >7.5 mmol/l and urea:creatinine ratio (mmol:mmol) >80 a few days post-AIS were associated with odds ratios for VTE of, respectively, 4.7, 2.8 and 3.4 (p = 0.02, 0.05, 0.02) on multivariable analysis. DISCUSSION: Dehydration after AIS is strongly independently associated with VTE, reinforcing the importance of maintaining adequate hydration in these patients.

Aged↗

PubMed1999

Pre-operative plasma levels of soluble fibrin polymers correlate with the development of deep vein thrombosis after elective neurosurgery.

The role of blood tests in identifying patients at high risk for post-operative venous thromboembolism is undefined. The aim of this study was to evaluate the correlation between pre-operative plasma levels of soluble fibrin polymers (SFP), as determined by a recently developed enzyme-linked immunosorbent assay (ELISA) assay (TpP), and the incidence of deep vein thrombosis (DVT) after elective neurosurgery. Blood samples for SFP assay were withdrawn on the day before surgery from 157 consecutive patients undergoing elective neurosurgery for brain or spinal tumour. Patients were randomized to subcutaneous enoxaparin (40 mg once daily) or placebo given for at least 7 days. All patients wore compression stockings. DVT was assessed by bilateral venography, performed on day 8 +/- 1. Thirty-four patients (21.7%) were found to have a DVT, proximal in 11 (7%) and isolated distal in 23. Patients with and without DVT had a plasma pre-operative SFP levels of 6.2 +/- 4.6 and 1.9 +/- 1.5 mg/ml respectively (mean +/- SD) (P < 0.001). SFP levels in patients with proximal and isolated distal DVT were 7.6 +/- 5.1 and 5.5 +/- 4.4 microg/ml, respectively (P = 0.22). SFP cut-off levels categorized patients into three classes of DVT incidence. The incidence of DVT was 7.4% (6 of 81) for SFP levels < 2 microg/ml, 20.4% (11 of 54) for levels between 2 and 4.5 microg/ml, and 77.3% (17 of 22) for levels > 4.5 microg/ml (P= 0.001, Cochran-Mantel-Haenszel test). We conclude that pre-operative SFP levels correlate with post-operative DVT in elective neurosurgery patients. Further studies are required to define whether pre-operative SFP measurement could be useful in patient management.

Adult↗

PubMed2002

Proximal deep vein thrombosis after hip fracture surgery in elderly patients despite thromboprophylaxis.

OBJECTIVE: Hip fracture is very common in the elderly population and is a highly significant risk factor for the development of deep vein thrombosis. Thus, deep vein thrombosis prophylaxis is indicated in these patients. The objective of this study was to determine the prevalence of proximal deep vein thrombosis in patients receiving usual prophylaxis, to characterize patients with deep vein thrombosis, and to assess the effect of deep vein thrombosis on the course and outcome of rehabilitation. DESIGN: An interventional prospective study in a rehabilitation geriatric ward in a tertiary university hospital in southern Israel involving 644 elderly patients undergoing rehabilitation after surgery for hip fracture. Thromboprophylaxis included graduated compression stockings and subcutaneous low-molecular-weight heparin. All patients underwent Doppler ultrasonography to identify proximal deep vein thrombosis. Conventional scales were used to measure functional and cognitive status. RESULTS: Thirty-nine patients developed proximal deep vein thrombosis despite thromboprophylaxis. The patients with deep vein thrombosis, compared with those without, had more episodes of stroke in the past, lower FIM trade mark transfer subscores at the beginning of rehabilitation, a longer rehabilitation period, and a higher mortality rate during hospitalization. CONCLUSIONS: Despite thromboprophylaxis, patients undergoing surgery for hip fracture are at significant risk to develop proximal deep vein thrombosis, which prolongs the rehabilitation time and increases mortality rates. Thus, screening Doppler sonography should be performed on all these patients to identify deep vein thrombosis. Further studies are needed to determine the optimal timing for this procedure.

Aged↗

PubMed1999

Late deep venous thrombosis and delayed weightbearing after total hip arthroplasty.

One hundred ninety-nine patients who underwent primary total hip arthroplasty and used in hospital pneumatic compression stockings and aspirin as thromboembolic prophylaxis were screened for deep venous thrombosis using duplex ultrasonography on the fourth postoperative day. Of the initial 98 patients, 21 underwent noncemented arthroplasty, maintained touchdown weightbearing for 6 weeks after surgery, and then began progressive partial weightbearing. Of the subsequent 101 patients, 28 underwent noncemented arthroplasty and began progressive weightbearing immediately after surgery. All other patients underwent hybrid arthroplasty and began weightbearing to tolerance immediately after surgery. After duplex screening examination, patients with proximal deep venous thrombosis were given anticoagulation therapy, and patients with negative study results were observed clinically. The relative risk of proximal deep venous thrombosis after noncemented arthroplasty using delayed weightbearing was compared with that after noncemented arthroplasty using immediate progressive weightbearing. Of patients with noncemented arthroplasty, the prevalence of proximal deep venous thrombosis was significantly lower in those using progressive weightbearing immediately after surgery (none) than in those using delayed weightbearing rehabilitation (19%). This study showed that patients undergoing noncemented total hip arthroplasty with delayed weightbearing rehabilitation risk greater potential for deep venous thrombosis after hospital discharge. This study suggests consideration for continued thromboembolic prophylaxis or routine deep venous thrombosis surveillance, or both measures, after hospital discharge, unless more rapid progression of weightbearing is allowed.

Anticoagulants↗

PubMed1999

Venous thromboembolic disease after hybrid hip arthroplasty with negative duplex screening.

Postoperative duplex ultrasonography screening after total hip arthroplasty has been shown to identify patients who may require treatment or additional monitoring for venous thromboembolic disease. The potential for manifestation of venous thromboembolic disease subsequent to screening remains a concern. The objective of this study was to determine the prevalence of symptomatic venous thromboembolic disease after total hip arthroplasty and after inhospital prophylaxis, inhospital screening with negative results for proximal deep venous thrombosis, and no posthospitalization venous thromboembolic disease prophylaxis. One hundred fifty patients undergoing primary hybrid total hip arthroplasty and using pneumatic compression stockings and aspirin as prophylaxis against venous thromboembolic disease were screened for deep venous thrombosis with duplex ultrasonography on the fourth day after surgery. Duplex ultrasonography screening revealed 17 (11.3%) patients with asymptomatic proximal deep venous thrombosis. In response to duplex ultrasonography screening, these patients with proximal deep venous thrombosis received therapeutic anticoagulation. Of 133 patients with a duplex screen with negative results for proximal deep venous thrombosis, 131 (98.5%) continued to have no symptoms of venous thromboembolic disease and two (1.5%) began to have symptoms for venous thromboembolic disease (one with proximal deep venous thrombosis, one with nonfatal pulmonary embolism) during 12 months of clinical followup after total hip arthroplasty. The overall prevalence of venous thromboembolic disease requiring anticoagulation was 19 of 150 (12.6%) patients. The remaining 131 (87.4%) were not exposed to the risks of postoperative anticoagulation and did not have subsequent symptomatic venous thromboembolic disease.

Aged↗

PubMed2001

Assessing pain in critically ill sedated patients by using a behavioral pain scale.

OBJECTIVE: To establish the validity and reliability of a new behavioral pain scale (BPS) for critically ill sedated adult patients. DESIGN: Prospective evaluation. SETTING: Ten-bed trauma and surgical intensive care unit in a university teaching hospital. PATIENTS: Thirty mechanically ventilated patients who were receiving analgesia and sedation. INTERVENTION: Assessments with the BPS were completed consecutively at standardized times (morning, afternoon, night) by pairs of evaluators (nurse and nurse's aide). They collected physiologic parameters and BPS results before and during care procedures: non-nociceptive (group 1, compression stockings application and central venous catheter dressing change), nociceptive (group 2, endotracheal suctioning and mobilization), and retested nociceptive (group 3). The BPS score was the sum of three items that had a range score of 1-4: facial expression, movements of upper limbs, and compliance with mechanical ventilation. MEASUREMENTS AND MAIN RESULTS: Two hundred and sixty nine assessments were completed, including 104, 134, and 31 measurements in groups 1, 2 and 3, respectively. There was no difference in Ramsay scale scores between the three groups (Ramsay 4-6). Nociceptive stimulations (group 2) resulted in significantly higher BPS values than non-nociceptive ones (group 1, 4.9 vs. 3.5, p <.01), whereas the two groups had comparable BPS values before stimulation (3.1 vs. 3.0). A trend was found in group 2 between the dosage of sedation/analgesia and BPS: the higher the dosage, the lower BPS values and BPS changes to nociceptive stimulation. Group 3 had BPS values similar to group 2 at rest (3.2 vs. 3.2) and during the procedure (4.4 vs. 4.5), with good interrater correlations (r(2) =.71 and.50, respectively). CONCLUSIONS: These results indicate that the expression of pain can be scored validly and reliably by using the BPS in sedated, mechanically ventilated patients. Further studies are warranted regarding the utility of the BPS in making clinical decisions about the use of analgesic drugs in the intensive care unit.

Adult↗

PubMed2002

Deep venous thrombosis and thromboembolism in patients with cervical spinal cord injuries.

STANDARDS: Prophylactic treatment of thromboembolism in patients with severe motor deficits due to spinal cord injury is recommended. The use of low-molecular-weight heparins, rotating beds, adjusted dose heparin, or a combination of modalities is recommended as a prophylactic treatment strategy. Low-dose heparin in combination with pneumatic compression stockings or electrical stimulation is recommended as a prophylactic treatment strategy. GUIDELINES: Low-dose heparin therapy alone is not recommended as a prophylactic treatment strategy. Oral anticoagulation alone is not recommended as a prophylactic treatment strategy. OPTIONS: Duplex Doppler ultrasound, impedance plethysmography, and venography are recommended for use as diagnostic tests for deep venous thrombosis in the spinal cord-injured patient population. A 3-month duration of prophylactic treatment for deep venous thrombosis and pulmonary embolism is recommended. Vena cava filters are recommended for patients who do not respond to anticoagulation or who are not candidates for anticoagulation therapy and/or mechanical devices.

Bandages↗

PubMed1993

Deep venous thrombosis after spinal surgery.

Eighty-six consecutive patients undergoing spinal surgery were studied with preoperative and postoperative compression ultrasonography of the lower extremities to identify acute deep venous thrombosis. Compression stockings were the only method of prophylaxis. Postoperative deep venous thrombosis developed in five patients (6%). Serial ultrasound scanning revealed propagation of the thrombus proximal to the knee in one patient, who was the only patient to be anticoagulated. There were no statistically significant differences in the incidence of deep venous thrombosis compared to the type of procedure, age, sex, length of operation, or duration of bed rest. In conclusion, deep venous thrombosis distal to the inguinal ligament is unusual after spinal surgery. Given the potential complications of anticoagulation, we recommend only mechanical prophylaxis.

Adolescent↗

PubMed1998

Venous thromboembolic complications after kidney and kidney-pancreas transplantation: a multivariate analysis.

BACKGROUND: We reviewed the incidence of and risk factors for venous thromboembolic complications in our population of kidney (KTx) and simultaneous kidney-pancreas transplant (SPK) recipients. METHODS: Information was collected retrospectively from a database on 1833 KTx and 276 SPK recipients who underwent transplant surgery between January 1985 and August 1995. RESULTS: The incidence of deep venous thrombosis (DVT) was 6.2% (n= 132), with significantly higher rates after SPK (18.1%) vs. KTx (4.5%) (P < 0.001). The number of DVT episodes was highest in the first month; 17.5% occurred during this time. For KTx recipients, early thrombotic events were more common on the side of the graft (P=0.03); however, after 1 month, no correlation existed between the side of the graft and the side of DVT. For SPK recipients, DVT tended to be more common on the side of the pancreas (57%) vs. the kidney (43%) (P=0.10). By multivariate analysis, risk factors for DVT were: age > 40 years (odds ratio [OR]=2.2, P < 0.001), diabetes mellitus (DM) (OR=2.0, P=0.002), previous DVT (OR=4.4, P=0.001), and SPK transplant (OR=2.8, P < 0.001). Pulmonary embolus (PE) was identified in 44 recipients (incidence, 2.1%) and was fatal in 13 (30%). The incidence was significantly higher in SPK (4.71%) vs. KTx recipients (1.69%) (P < 0.01). The risk of death from PE was 0.5% in KTx recipients and 1.37% in SPK recipients (P=0.08). Risk factors for PE included DM (OR=2.6, P=0.005) and recent DVT (OR=8.9, P=0.0001). CONCLUSIONS: Based on risk and extrapolating from the general surgical literature, our recommendations for prophylaxis against DVT are use of graduated compression stockings for all recipients and, in addition, low-dose heparin for moderate and high-risk recipients (previous DVT, SPK, age > 40 years, DM).

Adult↗

PubMed2000

Outcomes of laparoscopic donor nephrectomy in obese patients.

The applicability of laparoscopic donor nephrectomy (LDN) has not been assessed in the obese donor. We hypothesized that obesity is not a technical contraindication to LDN. From May 1998 to February 1999, 40 patients underwent LDN at the Georgetown Transplant Institute with the transperitoneal technique. Prophylaxis against deep venous thrombosis consisted of venous compression stockings, low-molecular weight heparin in obese patients, and early ambulation. The following variables were examined: donor sex, age, weight, height, related versus nonrelated donation, body mass index (BMI; wt/ht2), operating room time, estimated blood loss, length of stay, time out of work, and complications. BMI>31 indicates morbid obesity, BMI>27 indicates >20% over ideal body weight, and normal BMI is 25. The patients were divided into nonobese (BMI< or =31) and obese groups (BMI>31). The two groups do not differ in outcome after LDN. Our data indicate that obesity is not associated with increased morbidity or mortality after LDN.

Adult↗