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PubMed2004

Association between capillaroscopy, haemorheological variables and plasma proteins in patients bearing Raynaud's phenomenon.

Raynaud's phenomenon is a paroxysmal and reversible vasospasm affecting generally the acral circulatory regions. The relevance of the haemorheological alterations in these patients, as a source of ischemic events has been neglected. The objective of the present work was to evaluate and correlate the rheological blood properties, some biochemical parameters, e.g., plasma fibrinogen and immunoglobulin levels, and periungual capillaroscopy. The explicative variables considered were: blood viscosity, plasma viscosity, erythrocyte rigidity index, plasma fibrinogen, erythrocyte sedimentation rate, erythrocyte aggregate size, erythrocyte aggregation rate and serum immunoglobulin (IgG and IgM). The response variable was the nailfold capillary pattern categorised as either normal or pathological. Fibrinogen, erythrocyte aggregation rate and IgM are significantly higher in patients with a pathological pattern in comparison with patients bearing a normal one. The statistical analysis enabled us the modelling of the pathological pattern occurrence probability in function of plasma fibrinogen. Consequently, 100 mg/dl plasma fibrinogen increase, increases twice the probability of presenting a pathological pattern. Therefore, we can conclude that high levels of fibrinogen in Raynaud's phenomenon patients are associated with impaired skin microcirculation assessed by periungual capillaroscopy.

Adult↗
PubMed2004

Division of incompetent perforator veins and subfascial interposition of a polypropylene foil in post-thrombotic syndrome. Preliminary results.

AIM: The safety, feasibility and early efficacy of subfascial endoscopic perforator surgery was gradually accepted for patients who had severe chronic venous insufficiency but, in the literature, the recurrence rate of ulceration is about 10-40%, especially in patients with previous deep vein thrombosis (DVT). METHODS: From October 1998 to February 2002, 205 patients with 280 inferior leg ulcers were followed; 115 had venous ulcers but only 20 patients had chronic ulcers with previous DVT; 4 patients were excluded and only 16 patients (9 female, 7 male, mean age 61 years) with 18 chronic ulcers were included. These patients underwent sub-aponeurotic interruption of perforating veins with blind technique in association with subfascial interposition of a hand-made polypropylene foil. Eight of these patients had persistent non-healing ulcers at the time of surgery and 10 had chronic recurrent ulceration healed at the time of the surgical procedure. All patients were assessed clinically and with duplex scanning. RESULTS: The follow-up was done clinically and with eco-Doppler from 6 to 38 months with a mean follow up period of 23.2 months. The healing rate was 100%. The 2-year life table incidence of ulcer recurrence was 0%. Hospital stay ranged from 1-2 days, early operative complications included extensive ecchymosis in 1 patient, oedema in 3 patients. CONCLUSION: The division of perforating veins, with the subfascial support of a polypropylene foil give promising results in the treatment of venous ulcers in post-thrombotic syndrome with low morbidity and short hospital stay.

Angioscopy↗
PubMed2004

Primary direct stenting versus endoscopic atraumatic coronary artery bypass surgery in patients with proximal stenosis of the left anterior descending coronary artery--a prospective, randomised study.

BACKGROUND: The dynamic development of interventional cardiology resulted in an increasing proportion of patients treated with various forms of coronary angioplasty instead of surgery. On the other hand, it has been well established that the results of coronary artery by-pass surgery of the left anterior descending (LAD) coronary artery with the use of the internal mammary artery are excellent. AIM: To compare the results of primary direct stenting (PDS) and endoscopic atraumatic coronary artery bypass (EACAB) surgery in patients with an isolated proximal LAD type A or B1 lesion. METHODS: This prospective and randomised study included 100 patients with an isolated critical (> or =70%) LAD stenosis who underwent PDS (n=50) or EACAB (n=50). RESULTS: After a six-month follow-up period, 32 (64%) PDS patients and 47 (94%) EACAB patients were angina-free. The rate of major cardiac adverse events (MACE) was significantly higher in the PDS group than in surgically treated patients (p<0.05). After one year of follow-up, 40 (80%) PDS-treated patients and all 50 EACAB patients had no recurrences of angina. After two-year follow-period, the survival rate without MACE was significantly higher in the EACAB group than in the PDS-treated patients (94% vs 76%, p<0.05). CONCLUSIONS: Minimally invasive cardiac surgery is an alternative method to direct stenting in the treatment of patients with proximal LAD stenosis.

Adult↗