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Caneira F, Santos MM, Faria CC, Miguéns J, Rodrigues I, Beristain M, Guimarães-Ferreira J. Tranexamic acid decreases transfusion requirements during the modified pi-plasty procedure for sagittal craniosynostosis. J Craniomaxillofac Surg 2024; 52:619-621. [PMID: 38378370 DOI: 10.1016/j.jcms.2024.02.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 02/12/2024] [Indexed: 02/22/2024] Open
Abstract
The aim of our study was to evaluate the effectiveness of intraoperative tranexamic acid (TXA) administration in decreasing transfusion needs in patients undergoing modified pi-plasty. A retrospective study was performed using a population of 59 patients who underwent modified pi-plasty, wherein patients who received TXA during surgery (study group, n = 26) were compared with patients who did not receive TXA (control group, n = 33). The primary study endpoints were intraoperative red blood cell substitution (%), postoperative red blood cell substitution (%), total red blood cell substitution (%), and hematocrit variation. Perioperative administration of TXA significantly decreased the total red blood cell substitution (62.90% vs 86.70%; p = 0.002) and resulted in a higher postoperative hematocrit (29.47% vs 27.53%; p = 0.060). In conclusion, perioperative administration of TXA significantly decreased blood transfusion requirements in patients with sagittal craniosynostosis undergoing modified pi-plasty.
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Affiliation(s)
- Francisco Caneira
- Department of Plastic Surgery, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), Lisbon, Portugal
| | - Maria Manuel Santos
- Department of Neurosurgery, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), Lisbon, Portugal
| | - Cláudia C Faria
- Department of Neurosurgery, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), Lisbon, Portugal; Clínica Universitária de Neurocirurgia, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
| | - José Miguéns
- Department of Neurosurgery, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), Lisbon, Portugal
| | - Idalina Rodrigues
- Department of Anesthesiology, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), Lisbon, Portugal
| | - Marian Beristain
- Department of Anesthesiology, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), Lisbon, Portugal
| | - José Guimarães-Ferreira
- Department of Plastic Surgery, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), Lisbon, Portugal; Clínica Universitária de Cirurgia Plástica e Reconstrutiva, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal.
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Grove AM, Kirsch HM, Kurnik NM, Bristol RE, Sitzman TJ, Pfeifer C, Singh DJ. Preoperative Frontal and Parietal Bone Thickness Assessment to Predict Blood Loss and Transfusion During Extended Suturectomy for Isolated Sagittal Craniosynostosis. Cleft Palate Craniofac J 2023:10556656231202840. [PMID: 37710993 DOI: 10.1177/10556656231202840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2023] Open
Abstract
OBJECTIVE To predict the morbidity of sagittal suturectomy using preoperative computer tomographic measurement of frontal and parietal bone thickness in osteotomy sites. DESIGN Retrospective analysis. SETTING Tertiary children's hospital. PATIENTS Fifty infants with nonsyndromic, isolated sagittal craniosynostosis who underwent extended sagittal suturectomy from 2015-2022. METHODS Mean thickness of the frontal and parietal bone in regions of osteotomies were determined for each patient from preoperative CT images obtained within 30 days prior to suturectomy. The relationship between bone thickness (mm) and estimated blood loss (mL) was evaluated using Spearman's correlation and a multivariable model that adjusted for patient weight and surgery duration. The association between bone thickness and perioperative blood transfusion was evaluated using a multivariable logistic model controlling for patient weight and surgery duration. MAIN OUTCOME MEASURES Estimated blood loss, perioperative blood transfusion. RESULTS Frontal and parietal bone thickness in the region of osteotomies were positively correlated with estimated blood loss (p < 0.01). After adjusting for patient weight and duration of operation, both parietal and frontal bone thickness were associated with intraoperative blood loss (R2 = 0.292, p = 0.002 and R2 = 0.216, p = 0.026). Thicker frontal and parietal bone in the line of osteotomies resulted in significantly higher odds of blood transfusion. Bone thickness in the line of parietal osteotomies was 76% accurate at identifying patients who would require blood transfusion (p = 0.004). CONCLUSIONS Frontal and parietal bone thickness in the line of osteotomies is associated with blood loss and perioperative blood transfusion for sagittal suturectomy operations.
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Affiliation(s)
- Austin M Grove
- Division of Plastic Surgery, Phoenix Children's Hospital, Phoenix Children's Center for Cleft and Craniofacial Care, Phoenix, AZ, USA
| | - Hannah M Kirsch
- Division of Plastic Surgery, Phoenix Children's Hospital, Phoenix Children's Center for Cleft and Craniofacial Care, Phoenix, AZ, USA
| | - Nicole M Kurnik
- Division of Plastic Surgery, Phoenix Children's Hospital, Phoenix Children's Center for Cleft and Craniofacial Care, Phoenix, AZ, USA
| | - Ruth E Bristol
- Division of Pediatric Neurosurgery, Department of Surgery, Barrow Neurological Institute at Phoenix Children's Hospital, Phoenix, AZ, USA
| | - Thomas J Sitzman
- Division of Plastic Surgery, Phoenix Children's Hospital, Phoenix Children's Center for Cleft and Craniofacial Care, Phoenix, AZ, USA
| | - Cory Pfeifer
- Department of Radiology, Phoenix Children's Hospital, Phoenix, AZ, USA
| | - Davinder J Singh
- Division of Plastic Surgery, Phoenix Children's Hospital, Phoenix Children's Center for Cleft and Craniofacial Care, Phoenix, AZ, USA
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Battistin U, Maiti T, Elhammady MS, Roser F. Two-Stage Resection of a Giant Trigeminal Schwannoma in a Non-Neurofibromatosis Type 2 Pediatric Patient: A Case Report, Systematic Review, and Intraoperative Video. World Neurosurg 2023; 171:e323-e335. [PMID: 36521756 DOI: 10.1016/j.wneu.2022.12.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/04/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Trigeminal schwannoma is an uncommon tumor in pediatric patients. Several surgical approaches have been described in the literature. METHODS The case of an 11-year-old boy with a giant dumbbell-shaped trigeminal schwannoma removed through a 2-stage approach was presented with an intraoperative video. Using PubMed and Scopus, the literature on trigeminal schwannoma in pediatric patients was searched according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. RESULTS The search strategy yielded 312 titles, of which 13 were included in the review. Cases of trigeminal schwannoma were described, with a highly variable clinical presentation and anatomical arrangement in cranial fossae. Two-stage approaches were reported, although most studies described single-stage approaches. Common postoperative outcomes were a range of disturbances of cranial nerve V. CONCLUSIONS The surgical approach varies based on the tumor conformation. However, a 2-stage pterional subtemporal and semisitting retrosigmoid approach is a safe, practical, and effective strategy for the removal of dumbbell-shaped trigeminal schwannoma in a pediatric patient.
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Affiliation(s)
- Umberto Battistin
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | - Tanmoy Maiti
- Department of Neurosurgery, Neurological Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Mohammed S Elhammady
- Department of Neurosurgery, Neurological Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Florian Roser
- Department of Neurosurgery, Neurological Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates.
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Zarour S, Constantini S, Roth J, Friedman S, Kirgner I, Cohen B, Ekstein M. Postoperative coagulopathy among otherwise healthy pediatric patients undergoing open craniosynostosis repair: a retrospective study. Eur J Pediatr 2023; 182:1341-1349. [PMID: 36639535 DOI: 10.1007/s00431-023-04805-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/28/2022] [Accepted: 01/02/2023] [Indexed: 01/15/2023]
Abstract
Significant blood loss and resultant transfusion may lead to coagulopathy. The need for routine transfusion of non-RBC blood products in healthy pediatric patients suffering significant, yet controlled, intra-operative blood loss is controversial. Open craniosynostosis surgery is often associated with significant intra-operative blood loss and transfusion, and routinely preformed on otherwise healthy pediatric patients. Therefore, we found it as a useful model for our study, which aimed to assess the need for routine transfusion of non-RBC blood products in healthy pediatric patients suffering significant intra-operative blood loss. We conducted a retrospective cohort study of otherwise healthy pediatric patients, undergoing open craniosynostosis surgery and transfused solely with packed red blood cells (pRBCs) in a single large-volume tertiary surgical center, between January 2010 and December 2021. Among 457 eligible patients, 34 (7.4%) developed significant postoperative coagulopathy. Median [IQR] intra-operative pRBC transfusion volume was 17.4 ml kg-1 [13.3, 23.1]. Patients who developed coagulopathy did not have higher postoperative pRBC transfusion rate (8.8% vs 3.8%, P = 0.16) or volume (median [IQR], 0 [0, 0] vs 0 [0, 0] ml, P = 0.15), nor higher hospital LOS (5 [4, 5] vs 5 [4, 5] days, P = 0.66). ICU LOS was 0.8 [0.7, 1] vs 0.7 [0.6, 0.8] days (P = 0.02), a difference of no clinical significance. Conclusions: The incidence of significant coagulopathy after craniosynostosis surgery was low, and not associated with clinically important complications. In otherwise healthy pediatric patients, even significant intra-operative blood loss can be safely managed solely with intravenous fluids and pRBC transfusion. What is Known: • Significant intra-operative blood loss and resultant transfusion may lead to postoperative coagulopathy. • There are potential deleterious effects from both coagulopathy and administration of blood products. What is New: • Open craniosynostosis corrective surgery is a useful model for studying coagulopathy after significant intra-operative blood loss and transfusion in otherwise healthy children. • Under certain conditions, in otherwise healthy pediatric patients, even significant intra-operative blood loss can be safely treated with intravenous fluids and pRBC transfusion alone, with no clinically significant postoperative coagulopathy or its complications.
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Affiliation(s)
- Shiri Zarour
- Division of Anesthesia, Intensive Care, and Pain Management, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Shlomi Constantini
- Department of Pediatric Neurosurgery, Dana Dwek Children's Hospital, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Jonathan Roth
- Department of Pediatric Neurosurgery, Dana Dwek Children's Hospital, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Shirley Friedman
- Department of Pediatrics, Pediatric Intensive Care Unit, Dana Dwek Children's Hospital, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Ilya Kirgner
- Department of Haematology, Director Blood Bank and Apheresis Unit, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Barak Cohen
- Division of Anesthesia, Intensive Care, and Pain Management, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
- Outcomes Research Consortium, Cleveland Clinic, Cleveland, OH, USA
| | - Margaret Ekstein
- Division of Anesthesia, Intensive Care, and Pain Management, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel.
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Evaluation of Complications and Outcomes in Craniosynostosis by Age of Operation: Analysis of the National Surgical Quality Improvement Program-Pediatric. J Craniofac Surg 2023; 34:29-33. [PMID: 35949013 DOI: 10.1097/scs.0000000000008872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 05/20/2022] [Indexed: 01/11/2023] Open
Abstract
Considerable controversy exists around the optimal age on which to operate for craniosynostosis. This study aims to use data from the American College of Surgeons National Surgical Quality Improvement Program-Pediatric to assess the impact of operative age on hospital stay and outcomes. After excluding patients who underwent endoscopic cranial vault remodeling, a total of 3292 patients met inclusion criteria in the National Surgical Quality Improvement Program-Pediatric between 2012 and 2019. Median age at surgery was 300 days (interquartile range: 204-494). Patients between 0 and 6 months underwent the highest proportion of complex cranial vault remodeling, Current Procedural Terminology 61,558 ( n =44, 7.7%) and Current Procedural Terminology 61,559 ( n =317, 55.1%). White blood cell counts peaked in the 12 to 18 months group, and were lowest in the 24± months group. Hematocrit was lowest in the 0 to 6 months group and rose steadily to the 24± months group; the inverse pattern was found in platelet concentration, which was highest in the youngest patients and lowest in the oldest. Prothrombin time, international normalized ratio, and partial thromboplastin time were relatively consistent across all age groups. Younger patients had significantly shorter operating room times, which increased with patient age ( P <0.001). Younger patients also had significantly shorter length of stay ( P =0.009), though length of stay peaked between 12 and 18 months. There was a significantly lower rate of surgical site infection in younger patients, which occurred in 0.7% of patients 0 to 12 months and 1.0 to 3.0% in patients over 12 to 24± months. There was no significant difference in the average number of transfusions required in any age group ( P =0.961).
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Perioperative Morbidity of Secondary Frontal Orbital Advancement After Initial Frontal Orbital Advancement. J Craniofac Surg 2023; 34:173-176. [PMID: 36084230 DOI: 10.1097/scs.0000000000009002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 08/08/2022] [Indexed: 01/11/2023] Open
Abstract
Frontal orbital advancement (FOA) is frequently performed for patients with syndromic and/or multisuture craniosynostosis. A small proportion of patients who undergo FOA have unfavorable growth and subsequently require a second FOA later in life; however, the perioperative risks associated with this second procedure are not well studied. We report results from a retrospective review of FOAs conducted from 2007 to 2022 at a single site with the same craniofacial surgeon. A total of 33 patients were included. Perioperative outcomes were compared between primary and secondary FOA procedures. The two groups were similar in regard to suture involvement and diagnosis, although the secondary FOA group was older at the time of their FOA (1.23 versus 7.07 y, P <0.001). There was no significant difference between groups in operating time, volume of blood transfusion by weight, or in the incidence of postoperative wound complications ( P >0.05). Primary FOA procedures had significantly higher weight-adjusted blood loss (28 versus 18 mL/kg, P =0.014), with a higher proportion of patients receiving a blood transfusion (95% versus 62%, P =0.025). There was no significant difference between groups in the incidence of intraoperative dural injury (50% versus 84%, P =0.067). Our findings suggest that secondary procedures appear to impose less of a surgical risk relative to primary FOA traditionally performed in infancy, likely because of the advanced age at the time of secondary FOA.
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Cranial Vault Distraction in Nonsyndromic Sagittal Synostosis. J Craniofac Surg 2021; 33:156-160. [PMID: 34519707 DOI: 10.1097/scs.0000000000008125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
ABSTRACT A multitude of operations exists for the treatment of patients with sagittal craniosynostosis presenting after 6 months of age, of which total cranial vault remodeling now provides the most reliable aesthetic outcome. As our national craniofacial center evolved and began to develop a comprehensive multi-disciplinary team to manage complex surgical cases, we offered cranial vault distraction as an alternative to more invasive surgery for late presentation nonsyndromic scaphocephaly. The authors conducted a retrospective review of all patients undergoing this procedure.An average distraction distance of 39.4 mm was achieved in 15 patients aged 1 to 9 years. As a result, the cephalic index changed an average of 4%. The mean transfusion volume in the perioperative period was 32.47% of estimated blood volume. There were 2 complications requiring further operative intervention and distraction was stopped early in 1 patient.The authors propose that internal calvarial distraction is a viable alternative to total cranial vault remodeling for the management of late presentations of sagittal craniosynostosis.
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Al-Alawi AZ, Henry KR, Crimmins LD, Bonasso PC, Hayat MA, Dassinger MS, Burford JM, Jensen HK, Sanford J, Wu J, Sexton KW, Jensen MO. Anesthetics affect peripheral venous pressure waveforms and the cross-talk with arterial pressure. J Clin Monit Comput 2021; 36:147-159. [PMID: 33606187 PMCID: PMC8894218 DOI: 10.1007/s10877-020-00632-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 12/09/2020] [Indexed: 11/30/2022]
Abstract
Analysis of peripheral venous pressure (PVP) waveforms is a novel method of monitoring intravascular volume. Two pediatric cohorts were studied to test the effect of anesthetic agents on the PVP waveform and cross-talk between peripheral veins and arteries: (1) dehydration setting in a pyloromyotomy using the infused anesthetic propofol and (2) hemorrhage setting during elective surgery for craniosynostosis with the inhaled anesthetic isoflurane. PVP waveforms were collected from 39 patients that received propofol and 9 that received isoflurane. A multiple analysis of variance test determined if anesthetics influence the PVP waveform. A prediction system was built using k-nearest neighbor (k-NN) to distinguish between: (1) PVP waveforms with and without propofol and (2) different minimum alveolar concentration (MAC) groups of isoflurane. 52 porcine, 5 propofol, and 7 isoflurane subjects were used to determine the cross-talk between veins and arteries at the heart and respiratory rate frequency during: (a) during and after bleeding with constant anesthesia, (b) before and after propofol, and (c) at each MAC value. PVP waveforms are influenced by anesthetics, determined by MANOVA: p value < 0.01, η2 = 0.478 for hypovolemic, and η2 = 0.388 for euvolemic conditions. The k-NN prediction models had 82% and 77% accuracy for detecting propofol and MAC, respectively. The cross-talk relationship at each stage was: (a) ρ = 0.95, (b) ρ = 0.96, and (c) could not be evaluated using this cohort. Future research should consider anesthetic agents when analyzing PVP waveforms developing future clinical monitoring technology that uses PVP.
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Affiliation(s)
- Ali Z Al-Alawi
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR, USA
| | - Kaylee R Henry
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR, USA
| | - Lauren D Crimmins
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR, USA
| | - Patrick C Bonasso
- Division of Pediatric Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Md Abul Hayat
- Department of Electrical Engineering, University of Arkansas, Fayetteville, AR, USA
| | - Melvin S Dassinger
- Division of Pediatric Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Jeffrey M Burford
- Division of Pediatric Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Hanna K Jensen
- Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Joseph Sanford
- Department of Anesthesiology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Jingxian Wu
- Department of Electrical Engineering, University of Arkansas, Fayetteville, AR, USA
| | - Kevin W Sexton
- Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Morten O Jensen
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR, USA.
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A Technique for Minimizing the Need for Hemotransfusion in Non-Syndromic Craniosynostosis Surgery. J Craniofac Surg 2020; 32:247-251. [PMID: 32868732 DOI: 10.1097/scs.0000000000006949] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
ABSTRACT Surgery for craniosynostosis is associated with excessive blood loss, as well as morbidity and mortality risks. This study investigated the effectiveness of a surgical technique for nonsyndromic craniosynostosis intervention in controlling bleeding, assessed based on the volume of blood transfused. The cohort included 73 children who underwent nonsyndromic craniosynostosis surgery during a 3-year period. Retrospective evaluation of patient parameters included sex, weight, and age at the time of surgery; type of craniosynostosis; duration of surgery; hemoglobin concentration before and after surgery; rate of transfusion; and volume of transfused blood (mL/kg). The surgical technique involved skin incision and subgaleal dissection using electrocautery with a Colorado needle tip. The pericranium was not removed but instead kept in situ, and orbiectomy was performed using piezosurgery. Of the 73 children in the cohort, 75.3% underwent fronto-orbital advancement and were included in the analysis. The average age was 10.9 months (range: 4-96 months), with 68.5% boys and 31.5% girls (P < 0.001). The most common type of craniosynostosis was trigonocephaly (57.5%), followed by scaphocephaly (19.2%). The mean duration of the surgery was 2 hours and 55 minutes. Blood transfusion was needed in 56.2% of patients, with a mean volume of 8.7 mL/kg body weight transfused intraoperatively. No complications or fatalities were observed. These results suggested that meticulous, continuous control of homeostasis is paramount in minimizing blood loss during surgical repair of nonsyndromic craniosynostosis.
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LoPresti MA, Goethe EA, Lam S. Surgical strategies for management of pediatric arteriovenous malformation rupture: the role of initial decompressive craniectomy. Childs Nerv Syst 2020; 36:1445-1452. [PMID: 31932976 DOI: 10.1007/s00381-020-04501-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 01/02/2020] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Arteriovenous malformations (AVMs) are a common cause of intracranial hemorrhage in children, which can result in elevated intracranial pressure (ICP) and cerebral edema. We sought to explore the role of initial decompressive craniectomy at time of rupture, followed by interval surgical AVM resection, compared to treatment with initial resection, in clinical outcomes and recovery in children. METHODS A retrospective chart review was conducted examining patients age 0-18 with AVM rupture between 2005 and 2018 who underwent resection for ruptured AVM either initially at presentation or underwent initial decompressive craniectomy followed by interval AVM resection. Clinical, radiographic, surgical, and outcome data were examined. Primary outcomes measured included functional status, AVM obliteration rate, AVM recurrence/residual, and re-hemorrhage. RESULTS Thirty-six cases were included; 28 (77.8%) underwent initial AVM resection, and 7 (19.4%) underwent initial decompressive craniectomy with interval resection. The mean time between craniectomy and resection was 66.9 days (SD 59.3). Patients undergoing initial decompressive craniectomy with interval resection were younger (mean age 6.1 vs. 9.8 years, p = 0.05) and had a higher mean hematoma volume (52.9 vs. 22.2 mL, p = 0.01), mean midline shift (5.1 vs. 2.1 mm, p = 0.01), and presence of cisternal effacement (p = 0.01). There were no statistically significant associations between surgical strategy and postoperative outcomes, including complications, radiographic outcomes, complete resection, residual, recurrence, and functional outcomes. Those treated by initial craniectomy followed by interval resection were associated with undergoing additional procedures. CONCLUSIONS Children presenting with AVM rupture who require emergent decompression may safely undergo emergent craniectomy with interval AVM resection and cranioplasty without additional risk of morbidity or mortality. This is reasonable in those with elevated intracranial pressure. This strategy may provide time for initial recovery and allow for natural degradation of the hematoma enhancing the plane for interval AVM resection, perhaps improving outcomes.
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Affiliation(s)
- Melissa A LoPresti
- Department of Neurosurgery, Baylor College of Medicine, Houston, TX, USA
- Division of Neurosurgery, Texas Children's Hospital, Houston, TX, USA
| | - Eric A Goethe
- Department of Neurosurgery, Baylor College of Medicine, Houston, TX, USA
- Division of Neurosurgery, Texas Children's Hospital, Houston, TX, USA
| | - Sandi Lam
- Ann and Robert H Lurie Children's Hospital, Chicago, IL, USA.
- Department of Neurosurgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
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Risk Factors Associated With Allogenic Blood Transfusion in Primary Infant Cranial Vault Remodeling. J Craniofac Surg 2020; 31:746-749. [PMID: 32149985 DOI: 10.1097/scs.0000000000006402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION Cranial vault remodeling is commonly associated with high blood loss and high transfusion rates. Blood management protocols have recently been developed to minimize blood loss and reduce transfusion requirements. We sought to determine risk factors associated with blood product transfusion for infants undergoing primary cranial vault remodeling after the implementation of a blood management protocol. METHODS A retrospective review of patients who underwent cranial vault remodeling at a single center was performed. Patients under 18 months of age who underwent cranial vault remodeling after the establishment of a blood management protocol were included. RESULTS Thirty-five patients were identified. Eleven patients (31%) received allogenic blood transfusions. Patients who received allogenic blood transfusions had a lower absolute weight (8.8 kg versus 9.6kg P = 0.04), longer procedure times (337 minutes versus 275 minutes P < 0.01), and were more likely to have undergone fronto orbital advancement (91% versus 46% P = 0.02). There were no significant differences in age, weight percentile, and patient diagnosis between patients who received allogenic blood transfusions and those that did not (P > 0.05). CONCLUSION Low weight, longer operative times, and fronto orbital advancement are associated with allogenic blood transfusion despite the use of a blood management protocol. Attempts to modify these factors may further improve outcomes.
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Operative Time as the Predominant Risk Factor for Transfusion Requirements in Nonsyndromic Craniosynostosis Repair. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2020; 8:e2592. [PMID: 32095402 PMCID: PMC7015599 DOI: 10.1097/gox.0000000000002592] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 10/28/2019] [Indexed: 11/29/2022]
Abstract
Background: Despite recent advances in surgical, anesthetic, and safety protocols in the management of nonsyndromic craniosynostosis (NSC), significant rates of intraoperative blood loss continue to be reported by multiple centers. The purpose of the current study was to examine our center’s experience with the surgical correction of NSC in an effort to determine independent risk factors of transfusion requirements. Methods: A retrospective cohort study of patients with NSC undergoing surgical correction at the Montreal Children’s Hospital was carried out. Baseline characteristics and perioperative complications were compared between patients receiving and not receiving transfusions and between those receiving a transfusion in excess or <25 cc/kg. Logistic regression analysis was carried out to determine independent predictors of transfusion requirements. Results: A total of 100 patients met our inclusion criteria with a mean transfusion requirement of 29.6 cc/kg. Eighty-seven patients (87%) required a transfusion, and 45 patients (45%) required a significant (>25 cc/kg) intraoperative transfusion. Regression analysis revealed that increasing length of surgery was the main determinant for intraoperative (P = 0.008; odds ratio, 18.48; 95% CI, 2.14–159.36) and significant (>25 cc/kg) intraoperative (P = 0.004; odds ratio, 1.95; 95% CI, 1.23–3.07) transfusions. Conclusions: Our findings suggest increasing operative time as the predominant risk factor for intraoperative transfusion requirements. We encourage craniofacial surgeons to consider techniques to streamline the delivery of their selected procedure, in an effort to reduce operative time while minimizing the need for transfusion.
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Intra- and Postoperative Blood Loss and Transfusion Requirements in Children Undergoing Craniofacial Surgery. J Craniofac Surg 2019; 30:1798-1801. [PMID: 31033756 DOI: 10.1097/scs.0000000000005492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Pediatric craniosynostosis (CS) surgery is frequently associated with extensive blood loss and transfusion requirements. The aim of the study was to evaluate the authors' institutional procedure with 2-surgeon approach and early transfusion strategy on blood loss and blood product transfusions in children undergoing craniofacial surgery. A retrospective analysis of medical records was performed of pediatric CS corrections during a 15-year period. Primary endpoint was blood loss and transfusion requirement during and the following 24 hours postoperatively. Linear regression analyses were performed of associations between intra and- postoperative blood loss and blood loss and weight. A total of 276 children (median 9 months) were included. Intraoperative blood loss was 22 mL/kg (14-33 mL/kg) and postoperatively 27 mL/kg (18-37 mL/kg), with no change during the study period. Intraoperative transfusions of red blood cell and plasma were 16 mL/kg (10-24 mL/kg) and postoperative 14 mL/kg (9-21 mL/kg). Postoperative red blood cell and plasma transfusions were 2 mL/kg (0-6 mL/kg) and of 0 mL/kg, respectively. Craniosynostosis type was related to blood loss (P < 0.001). There was an association between intraoperative and postoperative blood loss (P = 0.012) and intra- and postoperative blood loss and weight (P = 0.002, P = < 0.001). Duration of surgery was 110 minutes (range 60-300 minutes).Pediatric CS surgery is associated with substantial intra- and postoperative blood loss and transfusion requirements, which did not change over a 15-year period. Blood loss was associated with type of CS. Intraoperative blood loss was correlated to postoperative blood loss and body weight.
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Bonasso PC, Sexton KW, Mehl SC, Golinko MS, Hayat MA, Wu J, Jensen MO, Smith SD, Burford JM, Dassinger MS. Lessons learned measuring peripheral venous pressure waveforms in an anesthetized pediatric population. Biomed Phys Eng Express 2019. [DOI: 10.1088/2057-1976/ab0ea8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Predictors of Postoperative Complications of Craniosynostosis Repair in the National Inpatient Sample. Ann Plast Surg 2018; 80:S261-S266. [DOI: 10.1097/sap.0000000000001383] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Perioperative Outcomes and Management in Pediatric Complex Cranial Vault Reconstruction. Anesthesiology 2017; 126:276-287. [DOI: 10.1097/aln.0000000000001481] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Abstract
Background
The Pediatric Craniofacial Collaborative Group established the Pediatric Craniofacial Surgery Perioperative Registry to elucidate practices and outcomes in children with craniosynostosis undergoing complex cranial vault reconstruction and inform quality improvement efforts. The aim of this study is to determine perioperative management, outcomes, and complications in children undergoing complex cranial vault reconstruction across North America and to delineate salient features of current practices.
Methods
Thirty-one institutions contributed data from June 2012 to September 2015. Data extracted included demographics, perioperative management, length of stay, laboratory results, and blood management techniques employed. Complications and outlier events were described. Outcomes analyzed included total blood donor exposures, intraoperative and perioperative transfusion volumes, and length of stay outcomes.
Results
One thousand two hundred twenty-three cases were analyzed: 935 children aged less than or equal to 24 months and 288 children aged more than 24 months. Ninety-five percent of children aged less than or equal to 24 months and 79% of children aged more than 24 months received at least one transfusion. There were no deaths. Notable complications included cardiac arrest, postoperative seizures, unplanned postoperative mechanical ventilation, large-volume transfusion, and unplanned second surgeries. Utilization of blood conservation techniques was highly variable.
Conclusions
The authors present a comprehensive description of perioperative management, outcomes, and complications from a large group of North American children undergoing complex cranial vault reconstruction. Transfusion remains the rule for the vast majority of patients. The occurrence of numerous significant complications together with large variability in perioperative management and outcomes suggest targets for improvement.
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Minimizing blood transfusions in the surgical correction of craniosynostosis: a 10-year single-center experience. Childs Nerv Syst 2016; 32:143-51. [PMID: 26351073 DOI: 10.1007/s00381-015-2900-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 09/01/2015] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Our center previously reported low transfusion rates for craniosynostosis surgery by two experienced neurosurgeons using standard intraoperative techniques and acceptance of low hemoglobin levels. This study evaluated whether low rates were maintained over the last 10 years and if a less experienced neurosurgeon, trained in and practicing in the same environment, could achieve similar outcomes. METHODS All craniosynostosis operations performed in children between 2004 and 2015 were reviewed retrospectively. Transfusion rates were calculated. Analyses examined the relationship of transfusion to craniosynostosis type, surgical procedure, redo operation, surgeon, and perioperative hemoglobin levels. RESULTS Two hundred eighteen patients were included: 71 open sagittal, 28 endoscopic-assisted sagittal, 32 unicoronal, 14 bicoronal, 42 metopic, and 31 multisuture. Median age at operation was 9.1 months. Overall transfusion rate was 24 %: 17 % open sagittal, 7 % endoscopic-assisted sagittal, 6 % unicoronal, 21 % bicoronal, 45 % metopic, and 45 % multisuture. The timing of transfusions were 75, 21, and 4 % for intraoperative, postoperative, and both, respectively. Patients not receiving transfusion had a mean lowest hemoglobin of 87 g/l (range 61-111) intraoperatively and 83 g/l (range 58-115) postoperatively. Mean lowest hemoglobin values were significantly lower in those necessitating intraoperative (75 g/l, range 54-102) or postoperative (59 g/l, range 51-71) transfusions. There was no significant difference in transfusion rate between less and more experienced surgeons. There were no cardiovascular complications or mortalities. CONCLUSION In craniosynostosis surgery, reproducible, long-term low blood transfusion rates were able to be maintained at a single center by careful intraoperative technique and acceptance of low intraoperative and postoperative hemoglobin levels in hemodynamically stable patients. Furthermore, low rates were also achieved by an inexperienced neurosurgeon in the group. This suggests that these results may be achievable by other neurosurgeons, who follow a similar protocol.
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