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At least 127 records · Page 7Linked to original sources

Complications of lumbar puncture with injection of hydrosoluble material.

We report two cases of severe disorders after spinal puncture with injection of hydrosoluble material. The first case concerned a 36-year-old woman with intrathecal injection of 125 ml of hydrocortisone acetate. An intracranial occipital hematoma developed. The second case concerned a 26-year-old man with intrathecal injection of contrast media and hydrocortisone. A chemical meningitis occurred. In both cases the natural course was favorable. Both complications are well known but rare. A review of the literature is made with description of the mechanisms. Preventive therapeutic measures are reported.

Adult↗

Transient neurologic symptoms after spinal anesthesia: a lower incidence with prilocaine and bupivacaine than with lidocaine.

BACKGROUND: Recent evidence suggests that transient neurologic symptoms (TNSs) frequently follow lidocaine spinal anesthesia but are infrequent with bupivacaine. However, identification of a short-acting local anesthetic to substitute for lidocaine for brief surgical procedures remains an important goal. Prilocaine is an amide local anesthetic with a duration of action similar to that of lidocaine. Accordingly, the present, prospective double-blind study compares prilocaine with lidocaine and bupivacaine with respect to duration of action and relative risk of TNSs. METHODS: Ninety patients classified as American Society of Anesthesiologists physical status I or II who were scheduled for short gynecologic procedures under spinal anesthesia were randomly allocated to receive 2.5 ml 2% lidocaine in 7.5% glucose, 2% prilocaine in 7.5% glucose, or 0.5% bupivacaine in 7.5% glucose. All solutions were provided in blinded vials by the hospital pharmacy. Details of spinal puncture, extension and regression of spinal block, and the times to reach discharge criteria were noted. In the evening of postoperative day 1, patients were evaluated for TNSs by a physician unaware of the drug administered and the details of the anesthetic procedure. RESULTS: Nine of 30 patients receiving lidocaine experienced TNSs, 1 of 30 patients receiving prilocaine (P = 0.03) had them, and none of 30 patients receiving bupivacaine had TNSs. Times to ambulate and to void were similar after lidocaine and prilocaine (150 vs. 165 min and 238 vs. 253 min, respectively) but prolonged after bupivacaine (200 and 299 min, respectively; P < 0.05). CONCLUSIONS: Prilocaine may be preferable to lidocaine for short surgical procedures because it has a similar duration of action but a lower incidence of TNSs.

Adult↗

[Hearing loss secondary to lumbar puncture].

Hearing complaints have been described in patients after lumbar puncture, although other symptoms like headache, nausea, and dizziness can easily obscure hearing disorders. Reduced cerebrospinal fluid pressure after lumbar puncture may explain the origin of this vestibulocochlear dysfunction. Two cases of hearing loss and tinnitus that appeared hours after otherwise uncomplicated diagnostic spinal puncture are reported. The pure tone audiogram showed a 40-50 dB bilateral sensorial hearing loss in the lower frequencies. Hearing recovered and tinnitus disappeared entirely within 7-10 days. Since permanent hearing loss has been reported after diagnostic or therapeutic lumbar puncture, we should be aware of the possibility of this adverse effect.

Adult↗

LUMBAR puncture.

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Humans↗

[Lumbar puncture in a pediatric emergency department: something more than a diagnostic technic].

OBJECTIVE: The aim of this study was to know the incidence of serious bacterial infections (SBI) in children without sepsis or intracranial infection in which spinal puncture (LP) was performed in an Emergency Department. PATIENTS AND METHODS: A retrospective study of all 471 previously healthy children between 1 month and 14 years of age in which a lumbar puncture was performed between July 1995 and March 1997 in the Emergency Department of our hospital was performed. RESULTS: Two hundred and three children (43%) had sepsis, meningitis or encephalitis (aseptic meningitis 149, 31.6%; sepsis-bacterial meningitis 26, 5.5%; nonspecific meningitis 26, 5.5%; encephalitis 2, 0.4%) and 14 (5.2%) had pneumonia. Of the other 254 children, 36 (14.1%) had a SBI: 19 urinary tract infections (E. coli), 11 bacteremia (Streptococcus pneumoniae 8, Salmonella enteritidis 1, Proteus mirabilis 1, E. coli 1, the latter two also having a positive urine culture) and 6 bacterial gastroenteritis (salmonella 5, Campylobacter jejuni 1). The incidence of SBI was significantly higher in the group of children younger than 5 years old (32/175, 18.2%) than in the older group (4/79, 5.0%, p = 0.009). Two patients died (one with pneumococcal meningitis and one with meningococcal sepsis). CONCLUSIONS: Children with fever and a normal result in the LP must be carefully examined and, especially in younger patients, urine, blood and stool (if stool abnormalities) cultures should be collected. These children must be closely observed in the hospital or at home and must be re-evaluated by their pediatrician in the following 24 hours.

Adolescent↗

Lumbar puncture. Technique, indications, and complications.

Lumbar puncture is a safe and simple procedure that can be performed with little risk of major complication if proper technique and indications are followed. As an emergency diagnostic procedure, spinal puncture is indicated when CNS infection is suspected or to establish the diagnosis of subarachnoid hemorrhage when results of cranial computed tomography are normal. The major contraindication is elevated intracranial pressure with evidence of a mass lesion.

Adult↗

Stylet injury syndrome.

Failure to properly use the stylet when withdrawing a spinal puncture needle may cause aspiration of a lumbar nerve root and adjacent arachnoid, thereby fixing the nerve in the epidural space. Root fixation may cause a painful syndrome, requiring laminectomy and replacement of the nerve root within the subarachnoid space. Since laminectomy is rarely performed at the lumbar puncture site, the frequency of the syndrome remains undetermined.

Adult↗

Electronic counting of spinal fluid cells.

An analysis of the electronic counting of leukocytes in cerebrospinal fluid (CSFLpc) was made theoretically in models and in patients. At spinal fluid dilutions of 1/500, 1/50, 1/25, and 1/2, linearity was obtained by electronic counting down to 1,000, 100, 20, and 2 Lpc (10(6)/L), respectively. The electronic particle counters produce satisfactory results at Lpc greater than 100 (10(6)/L) but need modifications to produce satisfactory results at Lpc less than 100 (10(6)/L). It is theoretically possible to reduce the variation nine times by electronic counting as compared with microscopic counting. A method for the correction of blood admixture at traumatic spinal puncture by electronic counting was shown to be satisfactory.

Cerebrospinal Fluid↗