These four techniques are (a) fluoroscopy, (b) ultrasound, (c)
micropuncture access, and (d) femoral angiography [2].
Next, with the patient in the prone position, venous access was achieved with a 4F
micropuncture needle set through the ipsilateral small saphenous vein.
In group I patients, a sterile rolling device with needles of length 1.5 to 2.5mm was rolled across the skin with pressure in multiple directions until the area demonstrates uniform pinpoint bleeding through thousands of
micropuncture sites.
(11,12,18,19) Under CT guidance, a catheter was introduced into the posterior para- or perirenal space using a 4-Fr
micropuncture set.
Evidence from the
micropuncture studies of Dworkin et al.
After accessing the right femoral artery with a
micropuncture needle under ultrasound guidance, a thoracic aortogram was performed using a 5Fr pigtail catheter.
Micropuncture studies to evaluate renal hemodynamics
We were able to check the correct localisation of the common femoral artery puncture and reduce the risk of retroperitoneal bleeding using
micropuncture sets and contrast injections under fluoroscopy.
Kirkpatrick, "
Micropuncture needles combined with ultrasound guidance for unusual central venous cannulation: desperate times call for desperate measures: a new trick for old anesthesiologists," Anesthesia and Analgesia, vol.
Micropuncture and cannulation studies of fluid composition and transport in the ductuli efferentes testis of the rat: comparisons with the homologous metanephric proximal tubule.
Venous access is obtained through an unaffected venous segment upstream from the thrombus using a
micropuncture technique under ultrasonographic guidance.