Angioseal versus manual compression for haemostasis following peripheral vascular diagnostic and interventional procedures—A randomized controlled trial

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Abstract

The aim of this study was to compare the angioseal device to manual compression for femoral artery puncture following peripheral vascular procedures, in the context of day case vascular procedures.

One hundred patients were prospectively randomised to haemostasis using the angioseal device or manual compression following arterial puncture for peripheral vascular diagnostic or intervention procedures. Data were collected regarding time to haemostasis and complications immediately post-procedure, at 1 h, 2 h and at 1 week.

There were 50 patients in each group. There were no significant differences in demographic variables, or in complication rates immediately, at 1 h, 2 h and at 1 week (Chi-squared). The only significant difference between the two groups was time to haemostasis. The mean time to haemostasis in the compression group was 10.6 min and 2.0 min in the angioseal group (t-test p < 0.0001). In conclusion, no significant differences in complications were found between manual compression and angioseal. However, there was a significant difference in time to haemostasis.

Introduction

Traditionally haemostasis following arterial puncture is obtained using direct manual compression at the puncture site for a variable length of time, which can be uncomfortable for both patient and operator. The patient is then required to undergo a period of prolonged bed rest prior to ambulation. With the provision of too few days case beds in many centres, this can significantly limit the number of cases carried out. There are however many commercially available devices to obtain haemostasis. A number of studies and two recent meta-analyses have been published regarding the use of compression versus haemostatic devices. These however are predominantly with regard to cardiac investigations. There are few publications regarding this subject in peripheral vascular disease. We have carried out a prospective randomised study of manual compression against the angioseal device (St. Jude Medical, Stratford Upon Avon, UK).

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Materials and methods

Following ethics committee approval (NHS number Co2.245) 100 consecutive patients undergoing retrograde femoral arterial puncture were consented and randomised to manual compression or haemostasis with the angioseal device. All patients had blood coagulation times within the normal range for our unit. Fifty patients were randomised to each group. A consultant interventional radiologist or specialist registrar under consultant supervision undertook all procedures. All consultant operators had

Results

Fifty patients were randomised to each group (Table 1).There were no significant differences regarding age (p = 0.56, unpaired t-test) or sex of patients (p = 0.67, Chi-squared). There were also no significant differences regarding procedure undertaken (p = 0.53, Chi-squared), calcification of vessels (p = 0.77, Chi-squared) or in overall complications between the two groups at any of the time periods as tabulated below (Table 2).

Complications are defined as minor and major. Minor complications include

Discussion

Manual femoral compression has traditionally been used for haemostasis for many years. Although highly successful in the majority of patients, it can be time consuming and requires prolonged bed rest. These factors, with the need for ever increasing efficiency in the use of hospital beds has stimulated the development of percutaneous arterial closure devices.

The angioseal device was developed in 1995 as an alternative haemostatic technique to replace the labor-intensive technique of manual

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