Publications by authors named "Patrick Gerety"

Background: Recent studies support the prophylactic use of tranexamic acid during craniosynostosis surgery to reduce blood loss. The study aims to assess national trends and outcomes of tranexamic acid administration.

Methods: The Pediatric Health Information System database was used to identify patients who underwent craniosynostosis surgery over a 9-year period (2010 to 2018).

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Chronic hand ischemia refers to progressive, non-acute ischemic symptoms such as cold intolerance, rest pain, ulceration, tissue necrosis, and digit loss and poses a significant challenge in management. Conservative treatment begins with medical optimization and pharmacologic therapy, but when symptoms persist, surgical intervention may be required. Various operations exist to improve circulation including sympathectomy, arterial bypass, or venous arterialization.

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A 12-year-old boy presenting with chest pain and dyspnea was found to have bilateral pulmonary thromboembolism (PTE) secondary to left popliteal venous aneurysm (PVA) with thrombus. He improved with thrombolytics, developed recurrent PTE, then underwent surgical repair of his PVA. The pathophysiology, diagnosis, and management of PVA are discussed.

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Background: The medial femoral condyle (MFC) flap has become a popular choice for treatment of small bony defects. We aim to describe outcomes after MFC flap treatment of upper and lower extremity osseous defects and test the null hypothesis that no factors influence risks for nonunion, increased time to union, and complications.

Methods: A retrospective chart review was performed on all patients undergoing MFC free vascularized bone flaps by the senior author between May 2010 and March 2016.

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Curvilinear mandibular distraction osteogenesis (MDO) provides for multidimensional augmentation and rotation in mandibles with complex, abnormal morphology. This study aims to demonstrate cephalometric changes after curvilinear MDO.A prospectively maintained craniofacial database was queried for patients undergoing curvilinear MDO from 2009 to 2015.

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Failure to accomplish a tension-free, watertight closure predisposes the palatoplasty patient to fistula formation. Perioperative bleeding also places the patient at risk for adverse airway events (AAE). This study introduces the incorporation of a hemostatic gelatin sponge (Gelfoam) into layered palatoplasty to minimize adverse postoperative bleeding and fistula formation.

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Background: Frontal sinus pneumatization plays an important role in brow protrusion, and absence of frontal sinus development may be associated with brow retrusion. Using unicoronal craniosynostosis as a model, the authors studied the relationship among frontal sinus volume, supraorbital retrusion, and brow position.

Methods: The authors conducted a retrospective review of unicoronal craniosynostosis patients with head computed tomographic scans and photographs taken from ages 5 to 18 years.

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 Microvascular anastomotic patency is fundamental to head and neck free flap reconstructive success. The aims of this study were to identify factors associated with intraoperative arterial anastomotic issues and analyze the impact on subsequent complications and cost in head and neck reconstruction.  A retrospective review was performed on all head and neck free flap reconstructions from 2005 to 2013.

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Purpose: Patient follow-up after cleft missions is imperative if we are to critically assess the quality of care provided in these settings. The adoption of mobile telephones among disadvantaged families abroad may enable such an undertaking in a cost-effective manner. This project aimed to assess the efficacy of cellular phone-based follow-up in a developing country following a cleft mission to Thailand.

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The purpose of this study was to examine current attitude of hand surgeons toward the Affordable Care Act (ACA). An electronic survey was sent to members of American Society for Surgery of the Hand (ASSH) to examine their attitude toward the Affordable Care Act. 974 ASSH members responded to the survey (33% response rate).

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Background: Fronto-orbital advancement for nonsyndromic craniosynostosis has been thought to injure frontal sinus buds, lead to chronic sinus disease, and influence final forehead shape. This study investigates the effect of fronto-orbital advancement in infancy on subsequent frontal sinus volume, morphology, and disease.

Methods: The authors conducted a retrospective review of nonsyndromic craniosynostosis patients treated with fronto-orbital advancement in infancy with a head computed tomographic scan obtained at age 7 to 18 years.

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While in-hospital outcomes and long-term results of craniosynostosis surgery have been described, no large studies have reported on postoperative readmission and emergency department (ED) visits. The authors conducted this study to describe the incidence, associated diagnoses, and risk factors for these encounters within 30 days of craniosynostosis surgery.Using 4 state-level databases, the authors conducted a retrospective cohort study of patients <3 years of age who underwent surgery for craniosynostosis.

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There is a growing literature on the advantages of posterior cranial vault distraction osteogenesis (PVDO) in infants, particularly those with syndromic and multisuture craniosynostosis. This study aims to compare perioperative outcomes of PVDO in older patients to those of infants. A prospective craniofacial database was queried for patients aged 5 and older undergoing PVDO; controls were diagnosis-matched infants.

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The detection of elevated intracranial pressure (ICP) is of paramount importance in the diagnosis and management of a number of neurologic pathologies. The current gold standard is the use of intraventricular or intraparenchymal catheters; however, this is invasive, expensive, and requires anesthesia. On the other hand, diagnosing intracranial hypertension based on clinical symptoms such as headaches, vomiting, and visual changes lacks sensitivity.

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Background: Chronic ischemia of the hand can lead to intractable pain, cold intolerance, and digital necrosis, affecting up to 4.8 percent of patients undergoing vascular surgery. Treatment of patients suffering from chronic hand ischemia, in particular, the subset of patients with a nonreconstructible distal arterial tree, can be a significant challenge for hand surgeons.

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Objective: Microvascular transfer of lymph node flaps has recently gained popularity as a treatment for secondary lymphedema often occurring after axillary, groin, or pelvic lymph node dissections. This study aimed to delineate the lymph node contents and pedicle characteristics of the supraclavicular (SC) and thoracodorsal (TD)-based axillary flaps as well as to compare lymph node quantification of surgeon vs pathologist.

Methods: SC and TD flaps were dissected from fresh female cadavers.

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Background: Innovative approaches to reconstruction have ushered in an era of breast reconstruction in which direct-to-implant procedures can provide an immediately reconstructed breast. Balancing the benefits against its technical challenges is vital. The authors evaluated the safety and efficacy of using direct-to-implant versus conventional two-stage reconstruction through a systematic meta-analysis.

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Background: There are limited population-based studies that examine perioperative factors that influence postoperative surgical take-backs to the OR following free flap (FF) reconstruction for head/neck cancer extirpation. The purpose of this study was to critically analyse head/neck free flaps (HNFF) captured in the ACS-NSQIP dataset with a specific focus on postoperative complications and the incidence of factors associated with re-operation.

Methods: The 2005-2012 ACS-NSQIP datasets were accessed to identify patients undergoing FF reconstruction after a diagnosis of head/neck cancer.

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Background: The timing and surgical technique for the treatment of sagittal synostosis remain controversial. Calvarial vault remodeling (CVR), strip craniectomy (SC), and spring-mediated cranioplasty (SMC) are currently in use. We perform a meta-analysis of the literature to compare these 3 techniques.

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Background: We performed cadaveric dissections to examine the feasibility of an internal mammary-based lymph node flap as a donor site for vascularized lymph node transfer.

Methods: Internal mammary vessels and adjacent nodes were dissected in ten fresh cadaver specimens. Surgeon inspection and palpation identified the number of nodes in the specimen.

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Background: Bone transport osteogenesis (BTO), distraction of a free portion of bone across a defect, offers an autologous solution to large cranial defects that may allow treatment without permanent hardware implantation. This study establishes a sheep model to evaluate the feasibility and distraction kinetics of BTO.

Methods: Subtotal cranial defects (3.

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Background: Commercially available recombinant human bone morphogenetic protein 2 (rhBMP2) has demonstrated efficacy in bone regeneration, but not without significant side effects. The authors used rhBMP2 encapsulated in poly(lactic-co-glycolic acid) (PLGA) microspheres placed in a rabbit cranial defect model to test whether low-dose, sustained delivery can effectively induce bone regeneration.

Methods: The rhBMP2 was encapsulated in 15% PLGA using a double-emulsion, solvent extraction/evaporation technique, and its release kinetics and bioactivity were tested.

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The operative techniques used to address palatoplasty and velopharyngeal dysfunction rely on traditional methods of surgical exposure and tissue handling. As the role of robotic surgical systems has expanded, emphasis has shifted from extirpative to reconstructive applications. We discuss the possible role of surgical telemanipulation systems in the treatment of these diagnoses.

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