Filissa Caserta

Improved aneurysmal subarachnoid hemorrhage outcomes: A comparison of 2 decades at an academic center

OBJECTIVE Management of aneurysmal subarachnoid hemorrhage (aSAH) has evolved over the past 2 decades, including refinement of neurosurgical techniques, availability of endovascular options, and evolution of neurocritical care; their impact on SAH outcomes is unclear. DESIGN/METHODS Prospectively collected data of patients with aSAH admitted to Johns Hopkins Medical Institutions between 1991 and 2009 were analyzed. We compared survival to discharge and functional outcomes at initial clinic appointment postdischarge (30-120 days) in patients admitted between 1991 and 2000 (phase 1 [P1]) and 2000 and 2009 (phase 2 [P2]), respectively, using dichotomized Glasgow Outcome Scale (good outcome: Glasgow Outcome Scale 4-5). RESULTS A total of 1134 consecutive patients with aSAH were included in the analysis (P1 46.4%, P2 53.6%). There were higher rates of poor grade Hunt and Hess (P1 23%, P2 28%; P < .05), admission Glasgow Coma Scale score lower than 8 (P1 14%, P2 21%; P < .005), known medical comorbidites (P1 54%, P2 64%; P = .005), associated intraventricular hemorrhage (P1 47%, P2 55%; P < .05), and older population (P1 51.5%, P2 53.5%; P < .05) in P2. Good outcomes were more common in P2 (71.5%) compared with P1 (65.2%), with 2-fold adjusted odds of good outcomes after correction for various confounding factors (P < .001). CONCLUSIONS Our institutional experience over 2 decades confirms that patients with aSAH have shown significant outcome improvements over time.

Impact of Acute Cocaine Use on Aneurysmal Subarachnoid Hemorrhage

Background and Purpose— Acute cocaine use has been temporally associated with aneurysmal subarachnoid hemorrhage (aSAH). This study analyzes the impact of cocaine use on patient presentation, complications, and outcomes. Methods— Data of patients admitted with aSAH between 1991 and 2009 were reviewed to determine impact of acute cocaine use (C). These patients were compared with aSAH patients without recent cocaine exposure (NC) in relation to their presentation, complications such as aneurysmal rerupture and delayed cerebral ischemia, and outcomes including hospital mortality and functional outcome. Results— Data of 1134 aSAH patients were reviewed; 142 patients (12.5%) had associated cocaine use. Cocaine users were more likely to be younger (mean age: C, 49±11; NC, 53±14; P<0.001). There were no differences in rates of poor-grade Hunt and Hess (4–5); (C, 21%; NC, 26%; P>0.05), associated intraventricular hemorrhage (C, 56%; NC, 51%; P>0.05), or hydrocephalus on admission Head CT (C, 49%; NC, 52%; P>0.05). Aneurysm rerupture incidence was higher among cocaine users (C, 7.7%; NC, 2.7%; P<0.05). The association of cocaine use with higher risk of delayed cerebral ischemia (C, 22%; NC, 16%; P<0.05) was not significant after correcting for other factors. Cocaine users were less likely to survive hospitalization compared with nonusers (mortality: C, 26%; NC, 17%; P<0.05); the adjusted odds of hospital mortality were 2.9 times higher among cocaine users (P<0.001). There were no differences in functional outcomes between the 2 groups. Conclusions— Acute cocaine use was associated with a higher risk of aneurysm rerupture and hospital mortality after aSAH.

Phase I/II multicenter ketogenic diet study for adult superrefractory status epilepticus

Objective: To investigate the feasibility, safety, and efficacy of a ketogenic diet (KD) for superrefractory status epilepticus (SRSE) in adults. Methods: We performed a prospective multicenter study of patients 18 to 80 years of age with SRSE treated with a KD treatment algorithm. The primary outcome measure was significant urine and serum ketone body production as a biomarker of feasibility. Secondary measures included resolution of SRSE, disposition at discharge, KD-related side effects, and long-term outcomes. Results: Twenty-four adults were screened for participation at 5 medical centers, and 15 were enrolled and treated with a classic KD via gastrostomy tube for SRSE. Median age was 47 years (interquartile range [IQR] 30 years), and 5 (33%) were male. Median number of antiseizure drugs used before KD was 8 (IQR 7), and median duration of SRSE before KD initiation was 10 days (IQR 7 days). KD treatment delays resulted from intravenous propofol use, ileus, and initial care received at a nonparticipating center. All patients achieved ketosis in a median of 2 days (IQR 1 day) on KD. Fourteen patients completed KD treatment, and SRSE resolved in 11 (79%; 73% of all patients enrolled). Side effects included metabolic acidosis, hyperlipidemia, constipation, hypoglycemia, hyponatremia, and weight loss. Five patients (33%) ultimately died. Conclusions: KD is feasible in adults with SRSE and may be safe and effective. Comparative safety and efficacy must be established with randomized placebo-controlled trials. Classification of evidence: This study provides Class IV evidence that in adults with SRSE, a KD is effective in inducing ketosis.

Impact of pattern of admission on outcomes after aneurysmal subarachnoid hemorrhage

OBJECTIVE Patients with aneurysmal subarachnoid hemorrhage (aSAH) require management in centers with neurosurgical expertise necessitating emergent interhospital transfer (IHT). Our objective was to compare outcomes in aSAH IHTs to our institution with aSAH admissions from our institutional emergency department (ED). METHODS Data for consecutive patients with aSAH admitted to Johns Hopkins Medical Institutions between 1991 and 2009 were analyzed from a prospectively obtained database. We compared in-hospital mortality and functional outcomes at first clinical appointment post-aSAH (30-120 days) using dichotomized Glasgow Outcome Scale (good outcome: Glasgow Outcome Scale 4-5) in ED admissions with IHTs. RESULTS A total of 1134 consecutive patients with aSAH were included in analysis (ED 40.1%, IHT 59.9%). Direct ED admissions had a higher incidence of poor Hunt and Hess grade (4/5) and major medical comorbidities, with no significant differences between the 2 groups in age, intraventricular hemorrhage, and hydrocephalus. In-hospital mortality for ED admissions (14.9%) was significantly lower than that for IHTs (20.5%), with 1.8 times greater adjusted odds of survival after multivariate analysis (P = .001). Emergency department admissions had nearly 2-fold greater odds of good outcomes (odds ratio, 1.89; P < .001) after multivariate analysis. CONCLUSIONS Our institutional ED SAH admissions had significantly better outcomes than did IHTs, suggesting that delays in optimizing care before transfer could deleteriously impact outcomes.

Acute care nurse practitioners: the role in neuroscience critical care.

In order to meet the needs of the high acuity population in todays critical care environment, the role of the Acute Care Nurse practitioner (ACNP) has been adopted by many intensive care units (ICUs) across the country, including specialized neurocritical care units. In this chapter we will provide a brief historical review of the ACNP as well as their function in various ICU settings. Lastly, we will describe the current role of the ACNP in the Neurosciences Critical Care Unit at the Johns Hopkins Hospital as well as future plans and challenges of the role.

Collaborative Nursing Practice in the Neurosciences Critical Care Unit

Neurocritcial care is best delivered with a collaborative, organized, and efficient model of care Utilizing a combination of nursing roles offers a unique opportunity to provide the most comprehensive care to this specialized population.