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Biomedical subjects

J P Elliott

Publications and source records attributed to J P Elliott.

At least 19 recordsLinked to original sources
PubMed2004

Pregnancy prolongation in women with preterm cervical dilatation utilizing out-patient preterm labor services.

OBJECTIVE: To identify the impact of cervical dilatation on pregnancy prolongation in women with hospital evaluation of preterm labor (PTL) symptoms. METHODS: The study population was identified from a database comprising women receiving out-patient perinatal services. Women diagnosed with PTL, having a singleton gestation, with cervical dilatation of > or =2 cm, intact membranes, and at 22.0-34.9 weeks when hospitalized for evaluation of PTL symptoms were included. Data were analyzed by cervical dilatation at hospital evaluation. The primary study outcome was gestational gain from PTL diagnosis. RESULTS: A total of 1435 patients were analyzed; mean cervical dilatation at hospitalization was 2.6 +/- 0.7 cm at a mean of 32.4 +/- 2.1 weeks' gestation. Following hospitalization, patients gained a mean of 26.0 +/- 17.2 days. Eighty-seven per cent resumed out-patient services. Approximately 15% delivered within 1 week of PTL evaluation. CONCLUSION: Even women with advanced cervical dilatation can achieve significant gestational gain. The degree of cervical dilatation has significant impact on latency to delivery in women evaluated for PTL.

Adult↗
PubMed2001

Blood transfusion during aneurysm surgery.

INTRODUCTION: Increasing costs and concerns about blood supply safety have led to a reevaluation of blood transfusion practices. This study was undertaken to examine blood use during aneurysm surgery. METHODS: We performed a retrospective analysis of hospital records including operative, anesthetic, and nursing notes, computed tomographic scans, and four-vessel angiographic films of 547 patients undergoing surgery for ruptured and unruptured cerebral aneurysms at Harborview Medical Center in Seattle. During the review period, the transfusion threshold was not altered. RESULTS: A total of 134 patients (24.5%) received an intraoperative blood transfusion (median number of units, 2; range, 1-17). Preoperative factors associated with intraoperative blood use included older patient age (P < 0.001), lower hematocrit level on admission (P = 0.007), ruptured rather than unruptured aneurysm (P = 0.004), severe intraventricular hemorrhage (P = 0.03), and larger aneurysm size (P = 0.004). Factors not associated with intraoperative blood transfusion included past medical history (including cardiac or pulmonary disease), admission clinical grade after aneurysm rupture, findings such as hydrocephalus on computed tomographic scanning, and aneurysm location and aneurysm neck-to-fundus ratio. Also associated with blood transfusion during surgery were intraoperative aneurysm rupture (P < 0.0001), intracerebral hematoma evacuation (P = 0.02), and obliteration of multiple aneurysms (P = 0.002). Among patients who received an intraoperative transfusion, those who experienced an aneurysm rupture required an average of 3.6 +/- 0.35 units, whereas patients who did not have a rupture required 1.9 +/- 0.12 units (P = 0.001). Postoperatively, a total of 244 patients (44.6%), including 77 who received blood intraoperatively, required a blood transfusion (median number of units, 2; range, 1-31). Postoperative blood transfusion was associated with the treatment of patients with subarachnoid hemorrhage (P < 0.0001), particularly among poor-grade patients who developed medical complications. CONCLUSION: Blood transfusion can be expected in one in five patients undergoing aneurysm surgery. Reducing intraoperative rupture may reduce the need for blood products.

Adolescent↗
PubMed2001

Responses of milk fat composition to dietary fat or nonstructural carbohydrates in Holstein and Jersey cows.

Milk fat from Jersey cows contains less oleic acid (cis-C18:1) and more short- and medium-chain fatty acids than does milk fat from Holstein cows. The objective of this experiment was to determine responses in milk fat composition when Jersey and Holstein cows were fed diets either high (37% of dry matter) or low (27% of dry matter) in content of nonstructural carbohydrates (NSC) and supplemented with either 0 or 2.5% (of dry matter) of a mostly saturated fat source. Four Holstein cows and four Jersey cows were used in a Latin square design with 28-d periods; diets were in a 2 x 2 factorial arrangement. Fat supplementation decreased contents of fatty acids synthesized de novo within the mammary gland and increased contents of C18:0 and cis-C18:1. Low-NSC diets tended to increase C16:0 and to decrease C18:0, cis-C18:1, and C18:3. Despite the differences in fatty acid composition between breeds, both breeds generally responded similarly to dietary treatments. An interaction of breed and fat indicated that the content of cis-C18:1 in milk fat was increased more by supplemental fat in Holsteins than in Jerseys. Interactions of breed x fat and breed x carbohydrate type showed that the ratio of cis-C18:1 to C18:0 decreased when Jerseys were supplemented with fat but increased for Holsteins, and decreased when Jerseys were fed the low-NSC diet but increased when Holsteins were fed low NSC. The data are consistent with the hypothesis (Beaulieu and Palmquist, 1995, J. Dairy Sci. 78:1336-1344) that mammary activity of stearoyl-coenzyme A desaturase is lower in Jerseys than in Holsteins.

Animals↗
PubMed2001

Pregnancy prolongation in triplet pregnancies. Oral vs. continuous subcutaneous terbutaline.

OBJECTIVE: To assess gestational gain in triplet pregnancies treated with oral terbutaline followed by treatment with continuous subcutaneous terbutaline. STUDY DESIGN: From a database of patients who received perinatal home care services, we identified women with triplet gestations first receiving daily oral terbutaline following an episode of threatened preterm labor who subsequently received continuous subcutaneous terbutaline infusion after recurrence of preterm contractions. The primary outcome studied was gestational gain with oral terbutaline vs. gestational gain with continuous subcutaneous terbutaline infusion. RESULTS: One hundred four women were studied. The mean gestational age at enrollment was 22.0 +/- 2.7 weeks. Significantly more gestational gain was achieved during subcutaneous tocolytic treatment than during oral treatment (mean 5.4 +/- 3.4 vs. 2.8 +/- 2.2 weeks, P < .001). Twenty-nine percent of desired prolongation was achieved with oral terbutaline, while 71% of desired prolongation was achieved with subcutaneous terbutaline infusion (P < .001). The mean gestational age at delivery was 33.2 +/- 2.2 weeks. CONCLUSION: Gestational gain was greater in triplet pregnancies during treatment with continuous subcutaneous terbutaline infusion than with oral terbutaline.

Administration, Oral↗
PubMed2001

Outcomes of quintuplet pregnancies.

OBJECTIVE: To review the obstetric and perinatal complications associated with quintuplet pregnancies in the United States. STUDY DESIGN: The databases of two large support groups for higher order multiple gestations, the Triplet Connection and Mothers of Super Twins, were accessed for quintuplet pregnancies. Each record contained information regarding maternal demographics, obstetric complications and perinatal outcomes. The data were analyzed by the Student t test and chi 2 test as indicated, with a P value < .05 for significance. RESULTS: Complete data were obtained for 36 quintuplet pregnancies. Preterm labor complicated all pregnancies. Six pregnancies delivered prior to 24 weeks' gestation, with no surviving infants. In the remaining 30 pregnancies, the mean gestational age at delivery was 28.9 weeks (SD +/- 2.0). There were trends toward later gestational ages at delivery in pregnancies with prophylactic cerclage placement and among multiparous women; however, these trends were not statistically significant. The perinatal mortality rate for the entire sample was 253/1,000. When adjusted for pregnancies delivered beyond 24 weeks' gestation, the perinatal mortality rate was 83/1,000. Minor and major neonatal morbidity affected 20% (26/132) and 10% (13/132) of quintuplet neonates, respectively. CONCLUSION: Quintuplet pregnancies are associated with high rates of obstetric complications and significant perinatal morbidity and mortality.

Adult↗
PubMed2000

Appendicitis in pregnancy: new information that contradicts long-held clinical beliefs.

OBJECTIVE: Our purpose was to elicit a better understanding of the presentation of acute appendicitis in pregnancy and to clarify diagnostic dilemmas reported in the literature. STUDY DESIGN: We retrospectively reviewed 66,993 consecutive deliveries from 1986 to 1995 by a computer program. Selected records were reviewed for gestational age; signs and symptoms at presentation; complications including preterm contractions, preterm labor, and appendiceal rupture; and histologic diagnosis of appendicitis. RESULTS: Of 66, 993 deliveries, 67 (0.1%) were complicated by a preoperative diagnosis of probable appendicitis. Acute appendicitis was confirmed histologically in 45 (67%) of the 67 cases, for an incidence of 1 in 1493 pregnancies in this population. Distribution of suspected appendicitis in pregnancy was as follows: first trimester, 17 cases (25%); second trimester, 27 (40%); and third trimester, 23 (34%). Right-lower-quadrant pain was the most common presenting symptom regardless of gestational age (first trimester, 12 [86%] of 14 cases; second trimester, 15 [83%] of 18 cases; and third trimester, 10 [78%] of 13 cases). The mean maximal temperature for proven appendicitis was 37.6 degrees C (35.5 degrees C-39.4 degrees C), in comparison with 37.8 degrees C (36.7 degrees C-38.9 degrees C; not significant) for those with normal histologic findings. The mean leukocyte count in patients with proven appendicitis was 16.4 x 10(9)/L (8.2-27.0 x 10(9)/L), in comparison with 14.0 x 10(9)/L (5. 9-25.0 x 10(9)/L) for patients with normal histologic findings. At the time of surgery, perforation had occurred in 8 cases. Of 23 patients at > or =24 weeks' gestational age, 19 (83%) had contractions and an additional 3 patients (13%) had preterm labor with documented cervical change. One patient was delivered in the immediate postoperative period because of abruptio placentae. CONCLUSION: Pain in the right lower quadrant of the abdomen is the most common presenting symptom of appendicitis in pregnancy regardless of gestational age. Fever and leukocytosis are not clear indicators of appendicitis in pregnancy and preterm labor is a problem after appendectomy, but preterm delivery is rare.

Abdominal Pain↗
PubMed2000

The devastating potential of blunt vertebral arterial injuries.

OBJECTIVE: To formulate management guidelines for blunt vertebral arterial injury (BVI). SUMMARY BACKGROUND DATA: Compared with carotid arterial injuries, BVIs have been considered innocuous. Although screening for BVI has been advocated, particularly in patients with cervical spine injuries, the appropriate therapy of lesions is controversial. METHODS: In 1996 an aggressive arteriographic screening protocol for blunt cerebrovascular injuries was initiated. A prospective database of all screened patients has been maintained. Analysis of injury mechanisms and patterns, BVI grades, treatment, and outcomes was performed. RESULTS: Thirty-eight patients (0.53% of blunt trauma admissions) were diagnosed with 47 BVIs during a 3.5-year period. Motor vehicle crash was the most common mechanism, and associated injuries were common. Cervical spine injuries were present in 71% of patients, but there was no predilection for cervical vertebral level or fracture pattern. The incidence of posterior circulation stroke was 24%, and the BVI-attributable death rate was 8%. Stroke incidence and neurologic outcome were independent of BVI injury grade. In patients treated with systemic heparin, fewer overall had a poor neurologic outcome, and fewer had a poor outcome after stroke. Trends associated with heparin therapy included fewer injuries progressing to a higher injury grade, fewer patients in whom stroke developed, and fewer patients deteriorating neurologically from diagnosis to discharge. CONCLUSIONS: Blunt vertebral arterial injuries are more common than previously reported. Screening patients based on injury mechanisms and patterns will diagnose asymptomatic injuries, allowing the institution of therapy before stroke. Systemic anticoagulation appears to be effective therapy: it is associated with improved neurologic outcome in patients with and without stroke, and it appears to prevent progression to a higher injury grade, stroke, and deterioration in neurologic status.

Adult↗
PubMed2000

Preoperative embolization of cerebral arteriovenous malformations with silk sutures: analysis and clinical correlation of complications revealed on computerized tomography scanning.

OBJECT: The aim of this study was to determine the incidence and clinical significance of complications related to preoperative embolization of cerebral arteriovenous malformations (AVMs) with silk sutures as documented on postprocedure computerized tomography (CT) scans. METHODS: The CT scans were obtained within 12 to 24 hours after 221 (96%) of 230 consecutive embolizations in 70 patients. These CT scans were evaluated for the presence of ischemia, infarction, hemorrhage, or contrast agent extravasation. Adverse patient outcomes were determined after each embolization and were correlated with CT findings. New abnormalities demonstrated on CT scans were also correlated with the Spetzler-Martin AVM grade, degree of arteriovenous shunting, and location. New abnormalities, the majority of them infarcts, resulted from 29 (13%) of 221 embolization procedures. In 11 (38%) of 29 cases of new CT findings, patients were asymptomatic, including 10 with new infarcts on CT scans. New neurological deficits occurred in 20 (8.7%) of 230 total embolization procedures in 19 patients, including one death. Permanent deficits occurred in nine patients (3.9% per embolization procedure, 12.8% per patient). Of the patients with new neurological deficits, 18 (90%) of 20 embolization procedures resulted in new abnormalities on CT scans. Two patients with new transient neurological deficits had no new findings on CT scans. Spetzler-Martin grade, AVM location, degree of arteriovenous shunting, and higher numbers of procedures were not statistically associated with a higher incidence of abnormalities on CT scans or new permanent neurological deficits. CONCLUSIONS: Silk sutures are an effective and relatively safe embolic agent. After brain AVM embolization with silk sutures, new abnormalities were found on CT scans obtained in one of eight procedures. When a new CT finding occurred, the patient had roughly equal chances of having no new symptoms, having new transient neurological deficits, or having new permanent neurological deficits.

Adult↗
PubMed1999

Optimizing screening for blunt cerebrovascular injuries.

BACKGROUND: The recognition that early diagnosis and intervention, prior to ischemic neurologic injury, has the potential to improve outcome following blunt cerebrovascular injuries (BCVI), led to a policy of aggressive screening for these injuries. The resultant epidemic of BCVI has created a dilemma, as widespread screening is impractical. We sought to identify independent predictors of BCVI, to focus resources. METHODS: Cerebral arteriography was performed based on signs or symptoms of BCVI, or in asymptomatic patients with high-risk mechanisms (hyperextension, hyperflexion, direct blow) or injury patterns. Logistic regression analysis identified independent predictors. RESULTS: A total of 249 patients underwent arteriography; 85 (34%) had injuries. Independent predictors of carotid arterial injury were Glasgow coma score < or =6, petrous bone fracture, diffuse axonal brain injury, and LeFort II or III fracture. Having one of these factors in the setting of a high-risk mechanism was associated with 41% risk of injury. Of patients with cervical spine fracture, 39% had vertebral arterial injury. CONCLUSIONS: Patients sustaining high-risk injury mechanisms or patterns should be screened for BCVI. In the face of limited resources, screening efforts should be focused on those with high-risk predictors.

Adult↗
PubMed1999

Blunt cerebrovascular injuries.

On the basis of our experience and the available literature, we submit that aggressive screening for BCI based on injury patterns is warranted. However, several important clinical issues remain unresolved. The precise injury patterns and relative cerebrovascular risks remain to be defined. Furthermore, the optimal diagnostic screening test remains to be identified, with consideration of the relative risk-benefit profile. Finally, we must determine the best methods for the treatment of BCI. Although the definitive study has yet to be completed, the use of heparin was associated with a trend toward improved outcomes in symptomatic patients. In addition, no asymptomatic patient experienced the development of new neurologic deficits during heparin therapy. Therefore we believe that the early institution of heparin therapy is indicated. The role of endovascular stenting, however, remains unclear.

Brain Injuries↗
PubMed1999

Endovascular therapy for aneurysmal vasospasm.

Endovascular treatment of cerebral vasospasm induced by subarachnoid hemorrhage has become a useful therapy. The two main treatments that have been used are balloon angioplasty and intra-arterial papaverine infusion. Both treatments have been shown to reverse subarachnoid hemorrhage-induced vascular spasm, increase cerebral blood flow and improve delayed ischemic neurologic deficits induced by vasospasm. Balloon angioplasty is superior to papaverine for treatment of proximal vessel vasospasm by virtue of a more sustained effect on the vessels. Papaverine can be useful as an adjunct to balloon angioplasty and also for the treatment of distal vessels that are not accessible for balloon angioplasty.

Aneurysm, Ruptured↗
PubMed1999

Acute traumatic posteroinferior cerebellar artery aneurysms: report of three cases.

OBJECTIVE AND IMPORTANCE: Posterior fossa subarachnoid hemorrhage secondary to blunt head trauma is rarely associated with traumatic aneurysms of the posterior circulation. CLINICAL PRESENTATION: We present three cases of posterior fossa subarachnoid hemorrhage from ruptured posteroinferior cerebellar artery (PICA) aneurysms after blunt head trauma. In each case, there was no associated penetrating injury or cranial fracture. All three patients presented with acute hydrocephalus requiring ventriculostomy. Two of the three patients had a proximal PICA aneurysm visible on emergent angiography. The remaining patient's aneurysm, although not visible on his initial angiogram, was detected on a subsequent angiogram 72 hours later. INTERVENTION: All patients underwent successful surgical clipping of their aneurysms. Two cases required sacrificing of the parent vessels because of the friable nature of the false aneurysms. In each case, severe symptomatic vasospasm occurred, requiring angioplasty. All three patients also required a ventriculoperitoneal shunt for persistent hydrocephalus. CONCLUSION: Features of these three cases and similar cases reported in the literature support the theory that vascular ruptures and traumatic aneurysms of the proximal PICA may be related to anatomic variability of the PICA as it transverses the brainstem. This variability predisposes individuals to vascular lesions, which occur in a continuum based on the severity of the injury. Posterior fossa subarachnoid hemorrhage after head injury requires a high index of suspicion and warrants aggressive diagnostic and therapeutic interventions.

Adolescent↗
PubMed1999

Effects of saturation and esterification of fat sources on site and extent of digestion in steers: digestion of fatty acids, triglycerides, and energy.

Five steers (mean BW 526 kg) fitted with ruminal, duodenal, and ileal cannulas were used in a 5 x 6 Youden square design with 14-d periods. Diets contained chopped alfalfa hay, corn silage, and concentrate (25:35:40, DM basis). Treatments were 1) control (no added fat); 2) tallow (T), iodine value (IV) = 51.5; 3) partially hydrogenated tallow (PHT), IV = 30.7; 4) hydrogenated tallow (HT), IV = 6.9; 5) blend (1: 1) of HT and hydrogenated free fatty acids (HTHFA), IV = 9.0; and 6) hydrogenated free fatty acids (HFA), IV = 11.2. Fats replaced cornstarch in the control diet to supply 5% added fatty acids. Intake was restricted to 90% of ad libitum; DMI was similar among diets (mean 9 kg/d). Total fatty acid intake averaged 170, 500, 506, 525, 489, and 491 g/d for treatments 1 to 6, respectively. Flows of total C16, total C18, and total fatty acids to the duodenum were increased by supplemental fat; flows of total C18 and total fatty acids were greater than their intake for all treatments. Flow of total fatty acids associated with ruminal bacteria accounted for 50 and 17% of the total duodenal fatty acid flow for the control and fat-supplemented diets, respectively. Digestibility of total fatty acids entering the small intestine (74, 71, 62, 39, 53, and 63% for treatments 1 to 6, respectively) was greater for the control diet than for fat-supplemented diets and decreased as either saturation (T < PHT < HT) or esterification (HFA < HTHFA < HT) increased. Digestibilities of fatty acids in the total tract followed similar patterns. Ruminal lipolysis of dietary triglycerides decreased linearly as the degree of saturation of fat sources increased. Small intestinal disappearance of triglycerides (89, 75, 51, 44, 64, and 73% of duodenal flow for treatments 1 to 6, respectively) decreased linearly as either saturation or esterification increased. Flows and digestion of gross energy followed patterns similar to those for fatty acids and triglycerides. Resistance to ruminal and small intestinal lipolysis is a major factor contributing to the poor digestibility of highly saturated triglycerides.

Animal Feed↗
PubMed1998

Risks and benefits of diagnostic angiography after aneurysm surgery: a retrospective analysis of 597 studies.

INTRODUCTION: Cerebral angiography performed after aneurysm surgery can identify causes of morbidity and mortality that may be corrected. The risks and benefits of angiography that is performed after aneurysm surgery, however, have not been clearly defined. We therefore reviewed our experience with postoperative angiography to determine its dangers and benefits. METHODS: During 10 years, 543 consecutive patients received treatment for cerebral aneurysms. A retrospective analysis of 597 diagnostic angiograms obtained after aneurysm surgery for 494 of these patients was performed. RESULTS: Catheter-induced vessel spasm and dissection, occurring most frequently in the internal carotid artery, were observed in seven (1.2%) and six (1%) studies, respectively. No angiography-associated strokes were identified. No association between age, smoking, hypertension, blood pressure, atherosclerosis, or severe vasospasm and angiographic complications was observed. Aneurysm remnants were identified in 36 (5.7%) of the 637 aneurysms that were surgically treated. Atherosclerosis (P < 0.01) or multiple clip applications (P < 0.01) were significantly associated with aneurysm remnants. Angiographic vessel occlusion was observed in 28 (5.7%) patients and resulted in stroke in 14 of these patients. Vessel occlusion was significantly associated with increasing aneurysm size (P < 0.001), atherosclerosis (P < 0.001), temporary clips (P < 0.001), multiple clips (P=0.03), multiple clip applications (P=0.001), and a new postoperative neurological deficit (P=0.002). Severe vasospasm and newly identified aneurysms were observed in 51 and 16 patients, respectively. CONCLUSION: Angiography after aneurysm surgery is safe and can be routinely performed. Angiography after aneurysm surgery should be particularly considered for patients with large aneurysms or cerebrovascular atherosclerosis and for those who develop new postoperative neurological deficits.

Adolescent↗
PubMed1998

Supplemental fat and nicotinic acid for Holstein cows during an entire lactation.

The objectives of this experiment were to determine long-term responses to supplemental fat (from whole soybeans and liquid animal fat) and to determine whether the supplementation of nicotinic acid would enhance milk protein content or yield. From wk 4 through 43 postpartum, 44 multiparous Holstein cows (10 to 12 per treatment) were assigned to one of four dietary treatments: 1) control, 2) control plus 12 g/d of nicotinic acid, 3) supplemental fat, and 4) supplemental fat plus 12 g/d of nicotinic acid. The dry matter intake of cows did not differ among dietary treatments. Yields of milk, solids-corrected milk, and 3.5% fat-corrected milk were increased by nicotinic acid; the yield of fat-corrected milk during wk 4 to 25 was increased by supplemental fat. Contents of crude protein (CP) and true protein in milk were less for cows fed diets supplemented with fat or nicotinic acid; casein content was decreased by nicotinic acid. Intake of net energy for lactation was greater for cows fed supplemental fat; energy balance was greater during wk 4 to 25 for cows fed diets supplemented with fat. Body condition score and body weight were less when nicotinic acid was added to the control diet than when it was added to the diet supplemented with fat. Supplemental fat increased the concentration of nonesterified fatty acids (NEFA) in plasma; nicotinic acid increased NEFA when it was added to the control diet but decreased NEFA when it was added to the diet supplemented with fat. Nicotinic acid did not prevent the decrease in milk CP content that was induced by dietary fat, but it did increase milk yield and tended to increase the yield of milk CP.

3-Hydroxybutyric Acid↗
PubMed1998

Comparison of balloon angioplasty and papaverine infusion for the treatment of vasospasm following aneurysmal subarachnoid hemorrhage.

OBJECT: The purpose of this study was to test the hypothesis that balloon angioplasty is superior to papaverine infusion for the treatment of proximal anterior circulation arterial vasospasm following subarachnoid hemorrhage (SAH). Between 1989 and 1995, 125 vasospastic distal internal carotid artery or proximal middle cerebral artery vessel segments were treated in 52 patients. METHODS: Blood flow velocities of the involved vessels were assessed by using transcranial Doppler (TCD) monitoring in relation to the day of treatment with balloon angioplasty or papaverine infusion. Balloon angioplasty and papaverine infusion cohorts were compared based on mean pre- and posttreatment velocity at 24 and 48 hours using the one-tailed, paired-samples t-test. Balloon angioplasty alone was performed in 101 vessel segments (81%) in 39 patients (75%), whereas papaverine infusion alone was used in 24 vessel segments (19%) in 13 patients (25%). Although repeated treatment after balloon angioplasty was needed in only one vessel segment, repeated treatment following papaverine infusion was required in 10 vessel segments (42%) in six patients because of recurrent vasospasm (p < 0.001). Seven vessel segments (29%) with recurrent spasm following papaverine infusion were treated with balloon angioplasty. Although vessel segments treated with papaverine demonstrated a 20% mean decrease in blood flow velocity (p < 0.009) on posttreatment Day 1, velocities were not significantly lower than pretreatment levels by posttreatment Day 2 (p = 0.133). Balloon angioplasty resulted in a 45% mean decrease in velocity to a normal level following treatment (p < 0.001), a decrease that was sustained. CONCLUSIONS: Balloon angioplasty is superior to papaverine infusion for the permanent treatment of proximal anterior circulation vasospasm following aneurysmal SAH.

Adult↗