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עמוד בית
Wed, 13.11.24

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November 2024
Sagi Levental MD, Isabella Schwartz MD, Jonathan Lorber MD, Jakob Nowotny MD, Ron Karmeli MD

Background: Isolated peripheral artery aneurysms are very rare, appearing in fewer than 2% of the general population. The literature reports a few case reports of poliomyelitis patients presenting with unilateral leg paralysis that presented with peripheral aneurysms in the contralateral leg.

Objectives: To compare lower limb arterial diameters in poliomyelitis patients and screen these patients for peripheral aneurysms.

Methods: Poliomyelitis patients older than 55 years of age with unilateral leg paralysis since childhood were prospectively screened by ultrasound duplex during scheduled visits to the outpatient rehabilitation center. These results were compared to the control group. The control groups consisted of healthy adults and patients with childhood poliomyelitis without lower limb paralysis or symmetric bilateral limb paralysis. We measured the diameter of nine arteries in each participant (aorta, bilateral common iliac artery, bilateral common femoral artery, bilateral superficial femoral artery, and bilateral popliteal artery).

Results: The study cohort included 77 participants: 40 poliomyelitis patients with unilateral leg paralysis, 18 poliomyelitis patients with bilateral leg paralysis or without leg paralysis, and 19 non-poliomyelitis patients without leg paralysis. We demonstrated a significant difference between averaged arterial diameters of lower limb arteries in poliomyelitis patients, favoring the strong leg. We were unable to demonstrate an arterial aneurysm in any of the patients.

Conclusions: There is a significant difference between arterial diameters of lower limb arteries in poliomyelitis patients with unilateral leg paralysis in favoring the strong leg.

September 2010
A. Soroksky, J. Lorber, E. Klinowski, E. Ilgayev, A. Mizrachi, A. Miller, T.M. Ben Yehuda and Y. Leonov

Background: Enteral nutrition in the critically ill patient is often complicated by gastrointestinal intolerance, manifested by a large gastric residual volume. The frequency of GRV[1] assessment and the intolerant level above which feeding is stopped is controversial.

Objectives: To evaluate a novel approach to EN[2] by allowing high GRV and once-daily assessment that was correlated with the paracetamol absorption test.

Methods: We conducted a pilot prospective study in an 18 bed general intensive care unit. The study group comprised 52 consecutive critically ill mechanically ventilated patients. Enteral nutrition was started at full delivery rate. Once-daily assessment of GRV with three consecutively repeated threshold volumes of 500 ml was performed before stopping EN. The paracetamol absorption test was performed and correlated to GRV. Patients were divided into two groups: low GRV (< 500 ml), and high GRV (at least one measurement of GRV > 500 ml). Clinical outcome included maximal calories delivered, incidence of pneumonia, ICU[3] length of stay, and ICU and hospital mortality.

Results: There were 4 patients (9.5%) with ventilator-associated pneumonia in the low GRV group and 3 (30%) in the high GRV group (P = 0.12). GRV was inversely correlated to paracetamol absorption; however, neither GRV nor paracetamol absorption was associated with the development of pneumonia. Both groups had similar ICU length of stay (11.0 ± 8.2 vs. 13.8 ± 14.4 days, P = 0.41), and similar ICU (21% vs. 40%, P = 0.24) and hospital mortality (35% vs. 40%, P = 1.0).

Conclusions: In critically ill mechanically ventilated patients, allowing larger gastric residual volumes, measured once daily, enables enteral feeding with fewer interruptions which results in high calorie intake without significant complications or side effects.






[1] GRV = gastric residual volume



[2] EN = enteral nutrition



[3] ICU = intensive care unit


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