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Biomedical subjects

P Patruno

Publications and source records attributed to P Patruno.

9 recordsLinked to original sources
PubMed1997

[Treatment of post-transplant erythrocytosis: comparison of lisinopril and theophylline].

OBJECTIVE: The proposal of this study is to compare the efficacy of lisinopril and theophylline, alone or in association, on erythrocytosis in renal-transplanted patients. DESIGN: Prospectic, case-control study. PATIENTS/ENVIRONMENT: 15 inpatients meeting 3 main criteria: 1) ACE therapy for past erythrocytosis, 2) actual erythrocytosis, 3) symptomatic increase of haematocrit (Hct). INTERVENTION: The treatment has been divided into 3 consecutive phases of 30 days each: 1) lisinopril (5 mg/die), 2) theophylline (4 mg/kg/die), 3) association of 2 drugs. MEASUREMENTS: The evaluations were scheduled at the beginning and every month and consisted of renal function control, haemochromocytometric exam, serum level of folates, B12 vitamin and erythropoietin (EPO), iron level, cyclosporinemia, as well as clinic control and adverse events detection. RESULTS: A significative decrease of Hct values and a decrease of serum erythropoietin values was observed in patients treated with lisinopril. Patients treated with theophylline showed a significant reduction of Hct values causing a reduction of erythropoietin serum level in 8/13 patients. Lisinopril and theophylline administered in combination presented a significant decrease of Hct values, while EPO values diminished compared to basal values. CONCLUSIONS: These data showed that lisinopril is a valid therapy for the treatment of posttransplanted patients affected by erythrocytosis and, moreover, has the benefit of antihypertensive action. Theophylline remains an alternative therapy when ACEi are contraindicated. The combination of the 2 drugs doesn't produce additional benefits.

Cardiotonic Agents↗
PubMed1986

Biofiltration with bicarbonate as dialysate buffer.

The biofiltration with bicarbonate as dialysate buffer (BiBF) was used in 10 patients on RDT: the patients were treated for 10 months on standard BF and for 10 months on BiBF. The amount of fluid infused varied between 3 and 5 liters and Na-bicarbonate (100 mEq/h) was infused during BF. The dialytic protocol was 3 hours every other day. Cardiovascular stability, waste molecules and acid-base balance were investigated. No differences in vascular stability and no significant changes in the waste-molecules concentrations were found. Both protocols correct the metabolic acidosis; however, in standard BF 50% of patients showed acute hypocapnia at the end of dialysis.

Acid-Base Equilibrium↗
PubMed1985

Favourable effects of bicarbonate dialysis on the body pool of phosphate.

An intravenous infusion of 3,430mg of PO4- has been given to 11 patients on acetate and to 11 patients on bicarbonate haemodialysis. The 'phosphate spaces' and dialytic removal were determined. The bicarbonate dialysis causes lower values of phosphate pool, total phosphate space, cellular space and phosphate cellular clearance. There is also a greater phosphate removal during bicarbonate dialysis. The better correction of metabolic acidosis and the absence of acetate metabolism are two factors which may be responsible for these phenomena.

Acid-Base Equilibrium↗
PubMedDate not supplied

Ultrasound guided brachial arterial angioplasty during the creation of a radio-cephalic arteriovenous fistula: a case report.

UNLABELLED: To prevent arteriovenous fistula (AVF) early failure, due to radial or brachial artery stenosis, ultrasound guided angioplasty performed while surgically creating the AVF could be an effective procedure. CASE REPORT: A 76-year-old diabetic male patient, on hemodialysis (HD) for 15 months, presented extensive thrombosis of the radio-cephalic AVF at the right arm, which had lasted for about 10 days. Ultrasound examination showed a 40% brachial artery stenosis with eccentric calcified plaque. The stenosis was localized about 1.5 cm before the artery bifurcation. The brachial artery diameter was 0.45 cm before and 0.26 cm at the level of the stenosis, the latter being 0.45 cm long. At the left wrist, under local anesthesia, the radial artery and the cephalic vein were exposed; the radial artery was then longitudinally incised for 7-8 mm in the area selected to create the AVF. A 6 Fr introducer, a metallic guide wire and a catheter for angioplasty were inserted one after the other in the radial artery. When the correct position of the angioplasty catheter in the stenotic area was established by ultrasound examination, the balloon was blown up to 13 atm for 35 sec, reducing the stenosis from 40-20%. Finally, a side-to-side radio-cephalic fistula was created, legating the distal vein. The AVF was used for HD after 3 weeks. The follow-up at 6 months demonstrated fair access performance and it was used without problems. Our satisfactory experience suggests that ultrasound guided angioplasty of brachial artery stenosis, performed simultaneously with surgical AVF creation, is possibly a successful procedure. This technique reduces the risk of early AVF failure and also allows, when required, stent implantation.

Aged↗