Theofanis Fotis

The Aorfix stent-graft to treat infrarenal abdominal aortic aneurysms with angulated necks and/or tortuous iliac arteries: midterm results.

Purpose: To present performance data on the use of the Aorfix stent-graft in patients with hostile infrarenal abdominal aortic aneurysm (AAA) anatomy. Methods: A study protocol was designed to examine the safety and efficacy of the Aorfix endovascular stent-graft in AAA patients who had a proximal neck diameter between 18 and 30 mm, neck angulation between 60° and 90°, and/or severe iliac artery angulation/tortuosity. Between September 2005 and April 2009, 20 men (mean age 72.4±7.7 years, range 55–89) were enrolled in the study. The mean AAA diameter was 61.8±14.9 mm (range 45.5–102). The mean angulation of the proximal neck was 61.9°±16.5° (range 30°– 90°); in the iliac arteries, the angulation was 59.9°±16.3° (range 30°–85°) for the left and 60.9°±17.6° (range 28°–90°) on the right. Fourteen (70%) patients had >60° proximal neck angulation. Outcome measures were analyzed using life-table analysis. Results: The graft was successfully implanted in all but 1 patient (technical success 95%); failure to cannulate the contralateral iliac limb resulted in conversion to aortomonoiliac stent-graft placement. In 1 patient, bilateral renal artery stent rescue was performed due to severe procedure-related stenosis. Occlusion of an internal iliac artery was noted in 2 patients. Mean follow-up was 26.9 months (range 4.5–43.5). No aneurysm-related rupture or death occurred. Two endoleaks were observed: 1 type I without migration at 3 years and 1 type II at 13 months. Freedom from any type of endoleak was 91.6% at 1 year and 75.9% at 2 years. Freedom from any early or late intervention was 88.8% at 1 year and 76.0% at 2 years. Aneurysm sac shrinkage (>5 mm) was evident in 79% (11/14) of the cases reaching 12-month follow-up. Conclusion: The Aorfix device seems to be safe and reliable in purely complex infrarenal AAA anatomy, demonstrating good short and midterm clinical outcomes. Further larger or multicenter studies are needed to confirm the suitability of the Aorfix stent-graft in hostile infrarenal AAA anatomy.

Percutaneous endovascular treatment of aortic aneurysms: Clinical evaluation and literature results

Abstract In this study we aimed to evaluate the efficiency of percutaneous endovascular aortic aneurysm repair (p-EVAR). Anatomically selected patients treated with a single 10Fr Perclose Prostar XL vascular closure device (VCD) were examined. Primary success rate and common femoral artery (CFA) open conversion (OC) requirement per sheath size used were recorded. A literature review on p-EVAR results was also performed. One-hundred patients were enrolled. Successful p-EVAR was achieved in 183 of the 196 CFA access sites (93.4%), and was specifically 85.9% and 98.3% for sheaths ≥20Fr and ≤18Fr respectively. There were 13 periprocedural complications (bleeding = 10, arterial dissection and thrombosis = 1, pseudoaneurysm = 2) all leading to OC. Use of ≥20Fr sheaths had significantly higher OC rate (P < .05). Reconstruction was achieved with primary repair (N = 11) and patch angioplasty (N = 2). Mean hospital stay was 1.8 days. The literature review (vascular closure of 2921 CFA access sites) revealed an overall technical success rate of 92.3%. Device related- were more common than patient related-OCs (P < .05). p-EVAR procedures are safe and feasible. Sheath size is a significant predictor of OC rate and more OCs might be expected with very large (≥20Fr) sheath sizes.

Greece reports prototype intervention with first peripherally inserted central catheter: case report and literature review

Placement of peripherally inserted central catheters (PICCs), definitely offers a clear advantage over any other method regarding central venous catheterization. Its ultrasonographic orientation enhances significantly its accuracy, safety and efficacy, making this method extremely comfortable for the patient who can continue his or her therapy even in an outpatient basis. We present the first reported case of a PICCS insertion in Greece, which has been performed by a university-degree nurse. The aim of this review of literature was to present the evolution in nursing practice in Greece. A PICC was inserted in a 77-year-old male patient suffering from a recent chemical pneumonia with a history of Alzheimers disease. A description of all the technical details of this insertion is reported, focusing on the pros and cons of the method and a thorough review of the history and advances in central venous catheterization throughout the years is also presented. PICCs provide long-term intravenous access and facilitate the delivery of extended antibiotic therapy, chemotherapy and total parenteral nutrition. We strongly believe that PICCs are the safest and most effective method of peripherally inserted central venous catheterization. Larger series are necessary to prove the above hypothesis, and they are under construction by our team.

Knowledge of pulse oximetry: comparison among intensive care, anesthesiology and emergency nurses.

AIMS AND OBJECTIVES To evaluate pulse oximetry knowledge of nurses employed in the Intensive Care Unit (ICU), Anesthesiology Department (AD) and Emergency Department (ED) and to compare knowledge among these departments/units. BACKGROUND Although pulse oximetry has been widely used in clinical practice, previous studies have reported knowledge deficits among nurses, which may adversely affect patient outcomes. DESIGN   Prospective, cross-sectional, multicentre study. METHODS All nurses employed in the ICU, AD and ED of six hospitals were asked to complete in private a 21-item, knowledge-evaluating questionnaire, which was evaluated for content-related validity and reliability. RESULTS Two hundred and seven questionnaires were completed (a response rate of 74·5%). Mean pulse oximetry knowledge score was 12·8 ± 3·2, with ICU nurses having significantly higher scores than ED nurses (p = 0·001) and those with more than 10 years of experience having significantly higher scores than less experienced ones (p = 0·015). Correct responses did not exceed 50% for six questionnaire items, five of which covered principles of pulse oximetry function. ICU nurses had significantly more correct responses in five items compared to ED nurses, and in two of them compared to AD nurses. CONCLUSIONS Longer professional experience and being employed in the ICU were associated with higher pulse oximetry knowledge of Greek nurses. Considering knowledge deficits and differences among nurses, pulse oximetry knowledge seems to mainly develop through clinical experience. RELEVANCE TO CLINICAL PRACTICE These findings highlight the need for pregraduate education to follow clinical advances, and especially for the implementation of high-quality, continuing education programmes to provide systematic learning and support professional development of nurses.

Difficult Intubation Provokes Bacteremia

PURPOSE To evaluate the prevalence of bacteremia after mask ventilation, laryngoscopy, and endotracheal intubation before induction of general anesthesia and to discover any correlation between traumatic manipulations and bacteremia. The specific bacteria responsible, knowledge of which may guide the prophylactic use of antibiotics, also were investigated. METHODS Fifty patients were enrolled. Three 10-mL blood samples were collected from a peripheral vein 10 min before induction of anesthesia, 10 min after mask ventilation, and 10 min after intubation. All samples were placed in aerobic and anaerobic bottles for culture and bacterial identification. RESULTS Cultures received 10 min after intubation were positive in 12% of patients. The following strains were isolated: Escherichia coli in two cases, Staphylococcus aureus in three cases, and Peptostreptococcus anaerobius in one case. A strong positive correlation was found between difficult intubation and bacteremia. No correlation between bacteremia and easy intubation or between bacteremia and face mask ventilation was identified. CONCLUSION Traumatic manipulations during difficult laryngoscopy and endotracheal intubation could cause bacteremia. This finding may justify and guide prophylactic use of antibiotics.

Neuron Specific Enolase (NSE): A Valuable Prognostic Factor of Central Nervous System Dysfunction Following Cardiac Surgery

Purpose: The aim of this study was to evaluate neuron specific enolase (NSE) as prognostic factor for CNS disorders developed in relation to cardiac surgery. Patients and methods: A cohort of 92 patients were divided into two groups; the experimental group consisted of patients undergoing openheart bypass surgery (50 patients) and the control group consisting of 42 patients undergoing general surgery procedures. The blood levels of NSE were measured in both groups before and 24 h after the operation and have been related to the incidence of the postoperative brain damage as well as to the duration of the extracorporeal circulation (ECC). Results: The analysis of our results showed that the changes of blood NSE levels, before and immediately after ECC in open-heart surgery have been related to the incidence of postoperative brain dysfunction according to a specific mathematical equation. This incidence was raised also in relation to the age of the patient and the duration of ECC. On the contrary, NSE seems to have no prognostic value in general surgery.

Solitary internal jugular vein invasion by thyroid carcinoma: resection and reconstruction

Thyroid carcinoma usually presents as asymptomatic thyroid nodule. Thyroid cancer may show microscopic vascular invasion; however, internal jugular vein (IJV) invasion is a rare complication of thyroid cancer. We present a case of unilateral invasion of IJV caused by local nodal recurrence of the primary thyroid carcinoma. The patient had undergone a near total thyroidectomy, followed by modified left lymph node resection with left IJV resection. In this case, the infiltrated part of the right IJV was resected, and the vessel was reconstructed using saphenous vein autograft. In locally advanced, well-differentiated thyroid cancers, only the radical resection relieves symptoms and increases survival.

Intraoperative Use of Cell Saver on Patients Undergoing Open Abdominal Aortic Aneurysm Surgical Repair: A Greek Hospital Experience

Perioperative use of a cell saver device can serve as a cost-beneficial alternative to the transfusion method, especially in countries where the cost of a single unit of blood is high. The purpose of this study, conducted in a Greek hospital, was to calculate the cost benefit of using a cell saver device to salvage intraoperative blood during open surgical abdominal aortic aneurysm repair or open aortofemoral bypass for occlusive disease. This retrospective study measured the amounts of salvaged blood and reinfused blood encountered during the procedure and then calculated the cost benefit of cell saver use. With the cost of a unit of blood purchased in Greece about €450 (

Bilateral giant femoropopliteal artery aneurysms: a case report

585), the blood units salvaged and reinfused were calculated at a mean cost benefit of €754 (

Digital health and perioperative care

980) per case.