Research Article
Transient Neurologic Symptoms following Spinal Anesthesia with Isobaric Mepivacaine: A Decade of Experience at Toronto Western Hospital
Table 2
Characteristics of excluded records (
mepivacaine spinal anesthetics).
| Age (in years; median, IQR) | 54 | 44–63 | Sex (n male, %) | 190 | 56% | Height (cm; median, IQR) | 171 | 164–179 | Weight (kg; median, IQR) | 93 | 74–110 | BMI (kg/m2; median, IQR) | 31 | 25–38 | Mepivacaine volume (mL; n, %) | | | ≤1.5 | 22 | 7% | 1.6–2.0 | 17 | 5% | 2.1–2.5 | 82 | 24% | 2.6–3.0 | 213 | 63% | >3 | 5 | 1% | Spinal position (n, %) | | | Sitting | 338 | 100% | Lateral | 1 | 0% | Spinal approach (n, %) | | | Midline | 331 | 98% | Paramedian | 8 | 2% | Spinal level (n, %) | | | L2-L3 | 25 | 7% | L3-L4 | 232 | 68% | L4-L5 | 79 | 24% | Not defined | 3 | 1% | Spinal needle type (n, %) | | | Quincke | 2 | 0% | Sprotte | 6 | 2% | Whitacre | 331 | 98% | Spinal needle Gauge (n, %) | | | <24 | 13 | 4% | 25 | 323 | 95% | 27 | 1 | 0% | Not defined | 2 | 1% | Surgical procedure (n, %) | | | General Surgery | | | Inguinal hernia repair | 3 | 1% | Orthopedics | | | Ankle | | | Arthroscopy | 40 | 12% | Fusion | 7 | 2% | Hardware removal | 26 | 8% | ORIF | 36 | 11% | Tendon repair | 11 | 3% | Foot | | | 1st MTP surgery | 6 | 2% | Reconstruction | 10 | 3% | Hip | | | Arthroplasty | 0 | 0% | Arthroscopy | 4 | 1% | Knee | | | Arthroplasty | 33 | 10% | Arthroscopy | | | Bilateral | 7 | 2% | Unilateral | 122 | 36% | Hardware removal | 11 | 3% | ORIF | 10 | 3% | Plastic Surgery | | | Soft tissue surgery | 5 | 2% | Urology | | | Cystoscopy or cystolithopaxy | 2 | 0% | TURP or TURBT | 6 | 2% | Intraoperative position (n, %) | | | Knee arthroscopy | 129 | 38% | Lateral | 8 | 2% | Lithotomy | 7 | 2% | Prone | 3 | 1% | Supine | 192 | 57% |
|
|
BMI = body mass index; MTP = metatarsal-phalangeal joint; ORIF = open reduction internal fixation; TURBT = transurethral resection of bladder tumor; TURP = transurethral resection of the prostate; carcinoma excision, hematoma evacuation, and skin graft excision. |