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Biomedical subjects

C Maraglino

Publications and source records attributed to C Maraglino.

At least 19 recordsLinked to original sources

Salmonella reinfection manifesting as a fistula between the duodenum and an aortic stump pseudoaneurysm.

Despite the worldwide increase in Salmonella infections, a Salmonella infection of an aortic graft is an exceptional event. A Salmonella reinfection manifesting as a fistula between the duodenum and an aortic stump pseudoaneurysm 30 months after prosthetic excision, aortic ligature and extra-anatomic bypass for a Salmonella graft infection is a unique event. This unusual late complication described in this case report developed in 1 of the 5 patients whose Salmonella aortic graft infections have been previously reported. The reinfection causing septic aortitis responded to conventional surgery.

Aged↗

[Role of aortofemoral bypass in the management of unilateral iliac occlusive disease. A follow-up study of 95 patients over a 25-year period].

BACKGROUND: To evaluate the results in a series of patients submitted to aortofemoral bypass due to an unilateral iliac occlusion. METHODS: Retrospective follow-up study. A total of 95 patients underwent, between 1975 and 2000, aortofemoral bypass because of unilateral iliac occlusion. Most of them (71 patients) were claudicants, Fontaine stage II b, while 12 complained rest pain and 12 suffered ischemic ulcers. Mean follow-up was 128 months (min 2.5 - max 292). RESULTS: Immediate success was obtained in 88 cases (92.6%), 7 patients were submitted to early redo with restored patency in 6 cases. One month global patency was gained in 98.9% (94 cases). The mean Ankle-brachial index (ABI) improvement was 0.35. At a mean follow-up of 128 months the cumulative patency was 90.8%. During the follow-up, 15 graft occlusions were observed, followed by 9 successful reoperations achieving a 5-year secondary patency of 92.1%. The contralateral iliac artery evolved toward an occlusion in 10 patients (10.5%) during a long time observation (104 months average). CONCLUSIONS: The unilateral aortofemoral bypass confirmed an excellent long term outcome regarding effectiveness and graft related complications. The low contralateral occlusion rate, in our series, does not justify a more aggressive approach as first surgical option.

Adult↗

Somatosensory evoked potentials versus locoregional anaesthesia in the monitoring of cerebral function during carotid artery surgery: preliminary results of a prospective study.

OBJECTIVE: to relate changes in somatosensory-evoked potentials (SEPs) with onset of neurological deficits in patients having carotid endarterectomy (CEA) under locoregional anaesthesia. METHODS: a prospective study of 50 consecutive patients. RESULTS: SEPs yielded an accuracy of 98%, specificity 100%, and sensitivity 89%. In all concordant cases the onset of a neurological deficit in awake patients corresponded to a 30--40% reduction in amplitude of N20-P25 waveforms. After shunting, the N20-P25 took 2--3 min to return to normal. CONCLUSIONS: SEPs are associated with a 2% false negative rate. Their threshold for detecting cerebral ischaemia is lower than the currently reported value for patients under general anaesthesia. The time needed for evoked potentials (2--3 min) to return to normal after shunting limits their usefulness in verifying effective shunting.

Aged↗

Inflammatory aneurysms of the abdominal aorta involving the ureters: is combined treatment really necessary?

PURPOSE: Peri-aneurysmal fibrosis complicating inflammatory aneurysm of the abdominal aorta may involve the ureters, causing urological complications. We assessed patient anatomical and clinical outcomes after conservative ureteral management. MATERIALS AND METHODS: From the operative records of 1,271 consecutive patients who underwent surgical repair of abdominal aortic aneurysms from 1980 to 1999 we identified 77 (6%) who had inflammatory aneurysms, which were complicated in 19 (24.6%) by dense peri-aneurysmal and ureteral fibrosis. Of these 19 patients 15 (78.9%) had coexisting monolateral hydronephrosis, 3 (15.7%) had bilateral hydronephrosis and 1 (5.2%) had renal atrophy. In 14 cases (73.6%) the fibrotic reaction severely impaired renal function. Only 1 patient underwent an emergency operation, while the others underwent elective repair. Only 2 patients (10.5%) underwent a specific urological procedure, including bilateral nephrostomy in 1 and ureterolysis plus ureterolithotomy in 1. Most ureteral complications were treated conservatively by aneurysmectomy only. RESULTS: Immediate postoperative mortality was 7% (1 of 14 cases). Median followup was 48 months. In 1 of the 13 cases (7.7%) a ureteral stent was placed during followup. After aneurysmectomy in 9 of the 12 patients (75%) with renal dysfunction periaortic fibrosis disappeared or decreased as well as associated hydronephrosis. In 11 of the remaining 12 patients (91%) of the 14 with renal failure preoperatively kidney function returned to normal or improved. In the 2 patients who underwent a specific urological procedure renal function improved but did not return to normal. CONCLUSIONS: Inflammatory abdominal aortic aneurysms involving the ureters and compressing the urinary structures respond well to aneurysmal resection only without a urological procedure.

Aged↗

Spontaneous acute subdural hematomas. A clinical comparison with traumatic acute subdural hematomas.

A comparison was made between factors influencing survival in patients operated on for acute spontaneous subdural hematomas (ASSH) and other groups of patients operated for acute, post-traumatic, subdural hematoma reported in the literature. The data of 17 patients operated on for ASSH were collected. Four variables: early surgical treatment, high Glasgow Coma Scale score on admission, pupillary reactivity and age were statistically analyzed. The most significant factors for good outcome, in order of importance, were early surgical treatment, a high Glasgow Come Scale score on admission, good pupillary reactivity and younger age. The prognostic factors in non-traumatic and traumatic acute subdural hematomas were found to be identical.

Acute Disease↗

Chronic subdural haematomas in patients aged under 50.

The clinical findings in 31 patients with chronic subdural haematoma (CSH), aged between 20 and 50, are described. Aetiopathogenetic factors responsible for the formation of CSH match those of patients aged over 50 with CSH. A history of cranial trauma was present in 77% of the cases. In the remaining patients, a defect of haemostatic mechanisms was responsible for the subdural blood collection. On the computed tomography (CT) the haematoma generally appears as a thin subdural layer. The reliability of magnetic resonance imaging for detection of CSH makes it the most desirable investigation in such patients. Prognosis is influenced by preoperative clinical status and by the disease responsible for the formation of CSH.

Adult↗

Primary rhabdomyosarcoma of the brain: observations on a case with clinical and radiological evidence of cure.

Cerebral rhabdomyosarcoma is a highly aggressive tumor with poor prognosis affecting children and, rarely, adults. The authors describe the case of a patient treated for primary fronto-parietal embryonal rhabdomyosarcoma with a long survival (30 months after surgery) and no clinical or radiological evidence of recurrence and discuss the chemotherapy applied in this case.

Antineoplastic Combined Chemotherapy Protocols↗

[The role of vena cava filters in the prevention of pulmonary embolism and hemodynamic changes in the venous system of the lower limbs].

BACKGROUND: On the basis of recent investigations, pulmonary embolism represents the third cause of death. If only hospitalized population over 65 years of age is considered, this pathology is quite the first cause of mortality. As deep venous thrombosis of the lower limbs represents the main cause of pulmonary embolism (90%), it should be right to suggest interruption of venous flow at caval level. The aim of this prospective report is to evaluate the efficacy of vena cava filter in pulmonary embolism prevention and the hemodynamic variations it can cause in the venous district of lower limbs. METHODS: 137 definitive caval filters were positionated from 1989 to 1996. Average follow-up was 12.6 months. Patients were controlled at 2-7 days, 1 month and than every 6 months. RESULTS: Filter perviousness was observed with Kaplan and Meyer's curve and it was 94.7%. There was pulmonary embolism in just 2 cases (1.4%). Filter perviousness was not depending on anticoagulant treatment. CONCLUSIONS: In conclusion, this prospective experience underlines that: caval filter is effective in pulmonary embolism prophylaxis; there are not important hemodynamic alterations of inferior vena cava, below filter; anticoagulating treatment does not influence filter perviousness; there are not hemodynamic alterations after slight dislocations of caval filter; finally there is a direct relation between level of deep venous thrombosis and post-phlebitic manifestations.

Hemodynamics↗

Epidural lipomatosis with lumbar radiculopathy in one obese patient. Case report and review of the literature.

Idiopathic epidural spinal lipomas are rare: only 13 cases have been described in the literature. We report a further case in an obese patient without known etiological factors. Diagnosis of epidural lipomatosis was performed by MRI. Weight reduction was obtained by conservative treatment, reserving surgery in case symptoms did not disappear. Of the 8 obese patients with idiopathic epidural spinal lipomatosis described in the literature, 3 were treated conservatively, with complete regression of symptoms in 2 cases, partial in the other one. In our patient, the radicular symptomatology disappeared once he had lost weight.

Adult↗

Bacterial and clinical criteria relating to the outcome of patients undergoing in situ replacement of infected abdominal aortic grafts.

OBJECTIVES: In a retrospective non-randomised study we assessed the outcome after in situ replacement of infected knitted Dacron abdominal aortic grafts in patients without septicaemia or retroperitoneal abscesses. We also assessed whether the specific bacterial infection influenced outcome. MATERIALS AND METHODS: Over the 5 years studied, 18 patients (9 with perigraft infection and 9 with aortoenteric erosion) underwent in situ replacement of aortofemoral grafts. All patients were haemodynamically stable, none required emergency treatment. Preoperative assessment included CT, MRI, leukocyte-labelled scintigraphy, and bacterial cultures whenever possible. Infected grafts were totally excised and replaced in situ with standard PTFE prostheses. Bacterial diagnosis included intraoperative Gram-staining and postoperative graft cultures. None of the patients had retroperitoneal collections or proximal anastomotic dehiscence. All patients had 6 week intravenous antibiotic therapy. RESULTS: One patient died of myocardial infarction, and another of haemorrhagic shock from proximal anastomotic dehiscence, accounting for a graft-related mortality of 6%. Dehiscence resulted from a polymicrobial infection. Mean 37 month surveillance showed no amputations and no graft-related infections. CONCLUSIONS: In clinically and bacteriologically selected patients, total in situ replacement of infected abdominal aortic grafts offers an excellent outcome.

Adult↗