Background and objectives Documentation is important for quality improvement, education,
and research. There is currently a lack of recommendations regarding key aspects of …

Abstract Background and Objectives The ultrasound‐guided proximal infraclavicular
costoclavicular block (PICB) appears popular but its results are inconsistent. We sought an …

Abstract Editor's Perspective What We Already Know about This Topic The intraneural
injection of local anesthetics is an accepted cause of nerve injury related to regional …

In 1981, Devoghel achieved an 85.6% success rate in treating patients with treatment-
refractory cluster headaches with alcoholization of the pterygopalatine ganglion (PPG) via …

A concurrent concern with the recent increase in outpatient surgery and medical complexity
of cases performed in an ambulatory surgical center (ASC) is the possibility that patients …

Tourniquet pain may have cutaneous and ischemic components. It is questionable whether
blockade of a sensory nerve will help reduce ischemic pain. In addition, complete …

Acute compartment syndrome (ACS) is an infrequent but true medical emergency caused by
an increase in pressure in noncompliant tissue compartments resulting in decreased blood …

Objective Our aim was to study the posterior lumbar epidural space with 3D reconstructions
of magnetic resonance images (MRIs) and to compare and validate the findings with …

Transmission and scanning electron microscopy have allowed the detailed study of the
structure of human peripheral nerves, the non-neural connective tissue layers forming it, and …

Objective To better understand the unexpected spread of contrast medium observed by
conventional fluoroscopic X‐ray images during standard neuraxial techniques used in the …