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Biomedical subjects

Malcolm Gordon

Publications and source records attributed to Malcolm Gordon.

5 recordsLinked to original sources

Management of risk factors: a survey of New Zealand vascular surgeons.

AIM: Patients with peripheral occlusive arterial disease (POAD) suffer significant morbidity and mortality from cardiovascular events that may be reduced by appropriate risk factor management. The aim of this study was to document the opinion of New Zealand vascular surgeons regarding risk factor management in patients with POAD. METHODS: A questionnaire was emailed to 42 New Zealand vascular surgeons. Surgeons were asked if they checked risk factors in patients with POAD and who they thought should manage these risk factors. The survey was then re-emailed to non-responders after 3 weeks and subsequently posted to the remaining non-responders with a reply paid envelope after a further 3 weeks. RESULTS: The overall response rate was 83% (35/42). Thirty-four of the 35 surgeons (97%) stated that they routinely asked smoking history, 69% monitored blood pressure, 74% checked cholesterol level, 57% checked blood glucose level, and none checked homocysteine level, although 43% consider hyperhomocysteinaemia to be a risk factor for atherosclerosis. Vascular surgeons considered general practitioners should play a pivotal role in the management of cardiovascular risk factors. A variable proportion of vascular surgeons thought that the vascular team should also be involved in the management of smoking (46%), hyperlipidaemia (20%), hyperhomocysteinaemia (23%), and prescription of antiplatelet therapy (69%). CONCLUSIONS: Modification of risk factors in patients with POAD is imperative but opinion on who is responsible for risk factor management lacks consensus. It is more important that risk factor modification occurs than who oversees such intervention.

Antihypertensive Agents↗

Treating claudication in 5 words (stop smoking and keep walking) is no longer enough: an audit of risk factor management in patients prescribed exercise therapy in New Zealand.

AIM: To assess the documentation and modification of vascular risk factors in patients with intermittent claudication enrolled in an exercise programme in Christchurch, New Zealand. PATIENTS/METHOD: A retrospective review of case notes of patients who presented to the vascular outpatient department with intermittent claudication and were given "Green Prescriptions" for an exercise programme was performed. Referral letters, clinic letters, vascular nurse notes, and handwritten hospital notes were searched for evidence of documentation of risk factors for atherosclerosis. Modification of these risk factors was also noted. Positive attempts at risk factor modification included starting or asking the GP to start a medication or asking the GP to assist with smoking cessation. RESULTS: Sixty patient notes were reviewed which included 81 referral letters (66 from GPs), 118 surgeon letters/clinic notes, and 43 vascular nurse assessments. Of the 60 patients referred, risk factor documentation (positive or negative) was antiplatelet therapy (40), hypertension (48), hyperlipidaemia (39), current tobacco use (40), diabetes mellitus (37), and coronary artery disease (38). Vascular surgeons saw 58 patients and documentation was antiplatelet therapy (42), hypertension (46), hyperlipidaemia (45), current tobacco use (48), diabetes mellitus (44), and coronary artery disease (29). Attempted modification of risk factors by vascular surgeons occurred in 12 patients for antiplatelet therapy, 11 patients for lipid lowering therapy, and 10 for current smokers. Forty-three vascular nurse assessments resulted in documentation of antiplatelet therapy (0), hypertension (42), hyperlipidaemia (42), current tobacco use (43), diabetes mellitus (42), and coronary artery disease (6). CONCLUSION: There is suboptimal communication of vascular risk factors by referrers to specialist vascular services. The recording and modification of risk factors for atherosclerosis in our unit compares favourably with other reported series, but improvement is needed. Furthermore, the role of clinicians with an interest in risk factor management, and patients' understanding of their vascular risk factors, needs clarification.

Adult↗

Informed consent for vascular intervention.

AIM: To audit documentation of the process of informed consent in patients undergoing vascular surgical and radiological procedures. METHOD: A retrospective audit of randomly selected elective vascular radiological and surgical admissions was undertaken at Christchurch Hospital (Christchurch, New Zealand) to assess documented evidence of the consent process. Clinic letters, handwritten entries in patient notes, and consent forms were scrutinised and data collated on which medical practitioners took consent, what details of the consent process were documented, and what additional information was made available to patients. RESULTS: 100 sets of notes were reviewed (surgical n=51, radiological n=49). For patients undergoing vascular surgery, the consent form was signed by a consultant in 2 (4%) sets of notes compared to 46 (94%) for patients undergoing vascular radiological intervention (p<0.001). All radiology consent forms were signed on the day of the procedure whereas 43 (84%) of surgical consent forms were signed before the day of surgery (p<0.01). Documentation that risks had been discussed with the patient was present in 44 (86%) sets of surgical notes compared to 20 (41%) radiology notes (p<0.001). Additional information (e.g. College of Surgeons' information leaflets) was supplied to 6 (12%) surgical patients and none of the patients undergoing radiological intervention (p<0.05). CONCLUSIONS: In our centre, documentation of the process of informed consent compares favourably with the published literature. This study demonstrates significant differences in documentation between surgery and radiology.

Adult↗