Articles: post-operative.
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Anesthesia and analgesia · May 2022
The Association Between Angiotensin II and Renin Kinetics in Patients After Cardiac Surgery.
Hyperreninemia after cardiac surgery is associated with cardiovascular instability. Angiotensin II (AT-II) could potentially attenuate hyperreninemia while maintaining target blood pressure. This study assesses the association between AT-II usage and renin levels in cardiac surgery patients with postoperative hyperreninemia and vasoplegia. ⋯ In cardiac surgery patients with hypotonia and postoperative high Δ-renin levels, AT-II was associated with reduced renin plasma levels for at 12 hours and significantly decreased norepinephrine use, while norepinephrine alone was associated with increased renin levels. Further studies of AT-II in cardiac surgery appear justified.
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Case Reports
Combined Spinal-Epidural for Loop Ileostomy in a Patient With End-Stage Amyotrophic Lateral Sclerosis: A Case Report.
Anesthesia can be a challenge for patients with amyotrophic lateral sclerosis (ALS). This progressive neurological disease is associated with a high risk of aspiration and postoperative ventilatory failure. ⋯ He tolerated the procedure well with no perioperative pulmonary complications or worsening of his ALS. To reduce the risks of general anesthesia, we chose a neuraxial approach.
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The development of posterior reversible encephalopathy syndrome (PRES) in a patient undergoing epilepsy surgery without perioperative hypertension is uncommon. A young man having epilepsy surgery with normal blood pressures had an unexplained drop in his processed electroencephalogram (pEEG) levels intraoperatively. This alerted and prompted us to search for the cause. ⋯ The intraoperative findings of pEEG, magnetic resonance imaging (MRI), and EEG postoperatively prompted a diagnosis of PRES. The patient was managed conservatively and had a full recovery. This case report highlights the role of brain electrical activity monitors in PRES.
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Case Reports
Transient C5 Sensory and Motor Blockade After a Unilateral T4 Paravertebral Block: A Case Report.
A thoracic paravertebral block (TPVB) can provide anesthesia for breast cancer surgeries. This case report describes a 58-year-old woman with a prolonged ipsilateral dense C5 dermatomal sensory and motor blockade after receiving a TPVB at T4 with 40 mL of 0.2% ropivacaine for a left total mastectomy, suggesting a high cephalad spread of anesthesia up to C5 paravertebral spaces. The lower extremities and the diaphragm were not involved. It is possible that the large volume of local anesthetic, even at low concentration, combined with her previous neural pathology and surgical laminectomy resulted in unexpected postoperative neurological changes.