Medical Options Research Articles

Disorders of Sex Development (DSD): A more than three Decades of Experience at a Major Teaching Hospital

A retrospective hospital-based study was conducted at the Pediatric Endocrine Division, King Khalid University Hospital (KKUH), King Saud University, Riyadh, Saudi Arabia, during the period July 1983 and June 2017. Methods: Medical records of patients who were diagnosed with DSD were retrospectively reviewed. Data included the etiological diagnosis, clinical history, physical examination, results of laboratory and radiological investigations, medical and surgical options offered, and results of follow-up. Laparoscopy or laparotomy with gonadal biopsies was done when appropriate. Results: During the period under review, a total of 203 patients with Disorders of Sex Development (DSDs) were evaluated. Their ages ranged between one day and 13 years. Hundred- thirty-nine (68.5%) patients were genetic females (46 XX). Congenital Adrenal Hyperplasia (CAH) is the most common, in 137(98.5%) patients. Conclusion: Disorders of sex development are a group of heterogeneous conditions with variable aetiologias. Many patients with DSD have a good quality of life and lead a near-normal life, though some have not. The severity of the disorder, initial evaluation and follow-up by a specialized multidisciplinary team, good psychological support, and proper education were important. Finally, sex assignments should be made early after a thorough investigation.

Understanding and Managing Adenotonsillar Hypertrophy in Pediatric Otolaryngology

Adenotonsillar hypertrophy (ATH) is a common pediatric condition marked by the growth of lymphoid tissues within the Waldeyer’s ring, which includes adenoids, palatine tonsils, and lingual tonsils. These tissues surround the upper airway and food passage, and play an immunological role, enlarging until about age 12, before gradually reducing during adolescence and adulthood. Untreated or poorly managed ATH can severely impact multiple health aspects of children. It is the primary cause of upper airway obstruction and obstructive sleep apnea (OSA) syndrome in children, which disrupts sleep and can severely impair cognitive development, school performance and behaviour. Chronic mouth breathing from ATH can alter dental arches and facial growth, known as adenoid facies. More severe outcomes include increased pulmonary pressures and the potential development of pulmonary hypertension and cor pulmonale due to chronic hypoxia and CO2 retention. As a result, tonsillectomy, with or without adenoidectomy (T&A), has become one of the most frequently performed surgeries in North America, with over 530,000 operations performed annually on children under age 15. This paper discusses the significant impact of ATH on pediatric health and the frequent need for surgical intervention. It covers the immunophysiology, influence of atopy, community-based assessments prior to specialist referrals, and an overview of available medical and surgical treatment options. Additionally, it outlines general indications for referring patients to otolaryngology.

A Rare Case of Pulmonary Artery Trunk Aneurysm.

Pulmonary artery trunk aneurysm (PATA) is a rare and complex vascular anomaly characterized by the abnormal dilation of the initial portion of the pulmonary artery, posing significant diagnostic and therapeutic challenges. This clinical case report aims to describe the follow-up of a patient with PATA, emphasizing the role of imaging in diagnosis and monitoring, as well as discussing potential associations with other conditions. The study is designed as a clinical case report, detailing the longitudinal follow-up of a single patient with PATA. The subject of this study is a 48-year-old female patient with a history of idiopathic hypertension who developed a PATA. Data Collection and/or Analysis: Since 2010, the patient underwent various imaging exams, including echocardiography, computed tomography, and catheter angiography, to detect and evaluate the aneurysm at different stages. The imaging results indicated a progression of the aneurysm over time, underscoring the importance of imaging in the early identification and monitoring of PATA. The report also explores the possible association of PATA with conditions such as pulmonary hypertension, Behçet's disease, and Hughes-Stovin syndrome, highlighting the diagnostic complexity. Imaging diagnosis is crucial for the detection, characterization, and monitoring of PATA, providing essential information for selecting appropriate treatment options and achieving a satisfactory prognosis. An individualized treatment approach, considering both medical and surgical options, is necessary based on the clinical characteristics of each patient.

Impact of expected blood pressure reduction on patient preferences for pharmaceutical and renal denervation treatment.

Effective patient-centered care requires an adequate understanding of patient preferences for different therapeutic options. We modelled patient preference for blood pressure (BP) management by pharmaceutical or interventional treatments such as renal denervation in patients with different profiles of uncontrolled hypertension. Modeling was based on the findings from a previously conducted quantitative discrete choice experiment (DCE). The likelihood of selecting either an interventional treatment option or additional antihypertensive medication option was calculated for three patient profiles that represent the range of patients with hypertension commonly encountered in clinical practice: treatment-naive, patients with uncontrolled BP while on one to three antihypertensive medications, and patients with drug-resistant hypertension. Variables in the preference model were treatment attributes from the DCE study: expected reduction in office SBP with each treatment, duration of treatment effect, risk of reversible drug side effects from drugs, and risk of temporary pain and/or bruising or vascular injury from interventions. Values of the variables were derived from published clinical studies or expert opinion. The model predicted that the likelihood of choosing renal denervation over initiating pharmacotherapy was 17.2% for previously untreated patients, 23.7% for patients with moderate hypertension currently on pharmacotherapy, and 41.8% for patients with drug-resistant hypertension. The dominant variable driving preference in these models was the expected BP reduction. Patient preferences for intervention are greater when drug nonadherence or increased SBP reduction at 3 vs. 1 year are included in the model. Baseline BP, drug side effects, or risks of the procedure had little influence on decisions. Modeling using patient preference weights predicts that a substantial minority of patients favor an interventional treatment such as renal denervation over initiation or escalation of medications. Awareness of a patient's interest in device-based versus pharmaceutical strategies should inform the shared decision-making process for hypertension treatment.

Surgical Treatment of Superior Vena Cava Syndrome in a Preterm Neonate.

Superior vena cava syndrome is rare and challenging clinical entity in neonates. Medical treatment options are usually effective. However, when failed, surgery is warranted. Herein, we present a preterm neonate with SVC syndrome and associated chylothorax. When 2weeks old, he underwent successful open thrombectomy and SVC reconstruction under cardiopulmonary bypass. Immediately after the operation findings of SVC syndrome and chylotorax were completely resolved. To our knowledge, this patient is the smallest baby underwent open SVC reconstruction with cardiopulmonary bypass.

Development of a decision aid with cost information for heart failure medication in Singapore

ObjectiveThis study presents the development process of a heart failure (HF) medication decision aid (DA) specific to Singapore context, with the objective of promoting cost conversations. MethodsPhase 1 was to create a DA prototype, where two HF clinicians were consulted on their input and needs. Phase 2 was pilot testing where the prototype was tested on HF patients and revised based on their feedback. ResultsThe DA is a one-page poster that compares only two classes of HF medications. It encompasses seven attributes for comparison, including route of administration, treatment duration, frequency of use, hospitalization rate, survival rate, low blood pressure probability with personalized subsidized cost being the key attribute. A total of 48 patients participated in the pilot testing with only 2 patients (4.2 %) finding the DA difficult to understand. Almost all patients agreed that the DA provided greater clarity in the medication options. ConclusionBy integrating the needs of both clinicians and patients and conducting user testing, we developed a novel HF medication DA. Patients found the tool easy to understand and acceptable. InnovationThis innovative DA aims to improve cost conversations by providing tailored, concise, and locally relevant information for efficient use.

Public Perceptions of Enuresis: Insights From Online Communities in South Korea and the United States.

To establish a foundation for raising awareness and disseminating accurate information about enuresis-one of the most challenging conditions to discuss openly-this paper examines public perceptions of enuresis. This paper collected title and text data from posts related to enuresis on the top popular online platforms such Naver Cafe in South Korea and Reddit in the United States (US). The data along with the thematic subcommunities where the posts were uploaded, was analyzed and visualized using word cloud, Latent Dirichlet Allocation (LDA) topic modeling, and pyLDAvis. The findings reveal both similarities and differences in how the patients from the 2 countries addressed enuresis online. In both countries, enuresis symptoms were a daily concern, and individuals used online platforms as a space to talk about their experiences. However, South Koreans were more inclined to describe symptoms within region-based communities or mothers' forums, where they exchanged information and shared experiences before consulting a doctor. In contrast, US patients with medical experience or knowledge frequently discussed treatment processes, lifestyle adjustments, and medication options. South Koreans tend to be cautious when selecting and visiting hospitals, often relying on others for advice and preparation before seeking medical attention. Compared to online communities in the US, Korean users are more likely to seek preliminary diagnoses based on nonprofessional opinions. Consequently, it is important to lower the barriers for patients to access professional medical advice to mitigate the potential harm of relying on nonprofessional opinions. Additionally, there is a need to raise awareness so that adults can recognize and address their symptoms in a timely manner.

A Season at the Himalayan Rescue Association Aid Post in Manang.

The Himalayan Rescue Association (HRA) has operated high altitude clinics in Nepal for 50 years, with rising visitor numbers, especially from India, China, and Nepal. New roads have eased access and increased the speed of ascent in some areas. Our aim was to provide a description of the activities, clinical problems, and lecture attendees of the HRA aid post in Manang over one season. We also highlight the evolving challenges of providing healthcare and education in the high Himalayan region. We describe the clinical and educational activities of the HRA aid post in Manang from September 24 to December 1, 2023. Prospective clinical data collection included anonymized patient demographics and diagnoses. Lecture data were taken from the attendee register and by daily manual counts of lecture attendees. We saw 376 patients, 62% of whom were Nepalis. Infectious diseases (42%) and altitude illness (16%) were the most common problems. A total of 846 people from 47 countries attended the daily altitude lectures. Only 5% of attendees were Nepali. Electrical supply interruptions and limitations in medical evacuation options were among the challenges of providing care at a high altitude clinic and preventing altitude illness using educational lectures. Altitude illness remains a common and potentially life-threatening problem, with risks increased by rapid ascent enabled by new road access and by ignorance of risks of altitude among travelers, especially Nepalis. Language barriers in educational outreach call for novel approaches and interventions that will ensure the effectiveness of altitude education.

481. STRONG SYMPTOMATIC IMPROVEMENT AT 1 YEAR AND BEYOND FOLLOWING REFLUXSTOP SURGERY FOR GASTRO-ESOPHAGEAL REFLUX DISEASE: A 40-PATIENT COHORTT

Abstract Background Despite well-established medical and surgical options for gastro-esophageal reflux disease (GERD), there remains a high unmet need for a treatment that improves symptoms without adverse effects. Symptoms of bloating, inability to belch or vomit, and dysphagia are among the more common side effects of standard anti-reflux surgery. RefluxStop is a novel device for the treatment of GERD that does not encircle the food passageway to avoid such side effects. The surgical technique is based on restoration of the normal anatomy of the gastroesophageal junction and maintaining the lower esophageal sphincter within the abdomen. Methods This study presents a case series of 40 patients who underwent RefluxStop surgery between July 2021 and November 2022 reaching at least 12 months of follow-up. A retrospective review of medical records was conducted. Baseline GERD Health-Related Quality of Life (GERD-HRQL) score was reported in addition to demographic and clinical characteristics. At follow-up, GERD-HRQL score, patient-reported GERD symptoms, and proton-pump inhibitor (PPI) use were reported. Peri-operative procedure-related and device-related adverse events (AEs) were recorded. Results Baseline patient characteristics are presented in Table 1. Mean follow-up was 14.5 (range 12-19) months. Mean GERD-HRQL score decreased dramatically from 19.5±3.8 at baseline to 1.1±2.2 at follow-up, reflecting a 91.9% improvement. At follow-up, reflux was reported as a symptom in only two patients (5%) (described as mild and occasional in one of them). None reported regurgitation or dysphagia. Only two patients (5%) reported bloating. The necessity for PPI therapy decreased from 97.5% (n=40) at baseline to 2.5% at follow-up. There were no intra-operative AEs or reoperations. Conclusion These data provide real-world evidence on the performance of RefluxStop in clinical practice. In this series of patients, the outcomes at 1 year and beyond indicate excellent effectiveness in reducing or eliminating GERD symptoms, as demonstrated by spontaneously reported symptoms and the validated, disease-specific, quality-of-life questionnaire. The discontinuation of PPI therapy is an additional indicator of effective symptomatic improvement. Importantly, this treatment did not induce dysphagia, a common consequence of established anti-reflux surgical techniques. RefluxStop is a promising option for patients with chronic GERD seeking definitive treatment while minimizing AEs.

The Functional Consequences of Long COVID Need to Be Addressed by Occupational Therapists.

Long COVID-persistent health complications after recovery from coronavirus disease 2019 infection-is associated with activity limitations in nearly 48 million U.S. adults, affecting work, leisure, family, and community functioning. Occupational therapists are experts in customizing interventions to maximize performance of daily routines, and often treat individuals who experience similar functional impacts to those observed in long COVID. The large number of people experiencing new disability, as well as a lack of medical treatment options, make occupational therapy a crucial component of long-COVID research and multidisciplinary management. In this column, we discuss actionable steps occupational therapists can take to place them at the forefront of maximizing functional and quality-of-life outcomes for people with long COVID.

Current state of rumination syndrome.

Rumination syndrome (RS) is an underdiagnosed behavioral disorder of recurrent regurgitation. Regurgitation occurs in RS due to increased gastric pressure achieved by subconscious contraction of the abdominal musculature wall, reversing the pressure gradient between the esophagus and the stomach. RS is mainly diagnosed clinically by the Rome Criteria with symptoms of regurgitation without retching of recently ingested food into the mouth and subsequent spitting or re-mastication. When the diagnosis is unable to be made clinically, supportive testing including fed impedance manometry can be considered. RS occurs worldwide, affecting patients of all ages, races, and genders with a prevalence of 3.1-5.8%. There is significant overlap with RS and disorders of a gut-brain interaction and upright gastroesophageal reflux driven by aerophagia and supragastric belching. There is also an association with mood disorder, fibromyalgia, and eating disorders. RS may be misdiagnosed as a variety of other syndromes including gastroesophageal reflux disease, gastroparesis, achalasia, and bulimia nervosa. Once RS is diagnosed, the mainstay of treatment is diaphragmatic breathing to lower the intragastric pressure and increase the lower esophageal pressure. Diaphragmatic breathing can be supported with biofeedback and cognitive behavioral therapy as well as medication options for more refractory cases. Response to therapy overtime and changes in symptoms overtime can now be tracked with a validated questionnaire.

Concordant fatal congenital anomaly in twin pregnancy: a case report and review of the literature

BackgroundWhen a pregnant mother finds out she has a fetus with a congenital defect, the parents feel profound worry, anxiety, and melancholy. Anomalies can happen in singleton or twin pregnancies, though they are more common in twin pregnancies. In twins, several congenital defects are typically discordant.Case summaryWe present a rare case of concordant fatal anomaly in twin pregnancy in a 22-year-old African patient primigravida mother from Western Ethiopia who presented for routine antenatal care. An obstetric ultrasound scan showed anencephaly, meningomyelocele, and severe ventriculomegaly. After receiving the counseling, the patient was admitted to the ward, and the pregnancy was terminated with the medical option. Following a successful in-patient stay, she was given folic acid supplements and instructed to get preconception counseling before getting pregnant again.ConclusionThe case demonstrates the importance of early obstetric ultrasound examination and detailed anatomic scanning, in twin pregnancies in particular. This case also calls for routine preconceptional care.

Medical management of vitiligo: a narrative review

Vitiligo is a chronic cutaneous disease presenting with asymptomatic depigmented macular lesions without any signs of inflammation. Since time immemorial, treatment has been sought for this disorder due to the substantial stigma associated with it, more so in patients with skin of color. Vitiligo can be divided into two major clinical types − segmental vitiligo (SV) and non-segmental vitiligo (NSV). The pathophysiological basis for the loss of functional melanocytes resulting in vitiligo includes genetic predisposition, autoimmune mechanisms, and oxidative stress, among others. Thus, combination therapies targeting the autoimmune nature of disease, activation of melanocytes, and reduction of oxidative stress often yield a successful treatment response. There are very few FDA-approved options for vitiligo, and certain recently introduced modalities may modify the way vitiligo is conventionally treated. This review summarizes the conventional as well as the newer medical treatment options for different clinical types of vitiligo.

Atrial Fibrillation in Heart Failure: Strategies for Restoring Sinus Rhythm

Atrial fibrillation (AF) and heart failure (HF) are epidemics that deserve greater attention in the current era. With improved medical therapies and robust revascularization strategies for acute coronary syndromes, there has been a substantial increase in the population of people living with stable coronary artery disease, which in turn contributes to the AF and HF burden. AF and HF are unique disease processes, in that each can precipitate the other, and in those with co-existing AF and HF, the burden of morbidity and mortality is amplified. While there has been remarkable progress in the sphere of pharmacological therapy for HF (particularly HF with reduced ejection fraction), medical therapy options for rate and rhythm control for AF have been largely unchanged for several decades. Instead, advances in catheter ablation (CA) technology and strategies for AF ablation have culminated in a robust evidence base, showing improved survival, quality of life, and restoration of ventricular function. The purpose of this clinical review article is to summarize the pathophysiological link between AF and HF and to emphasize the role of CA in the management of such patients.

Understanding Mental Health and Mental Illness: Social Anxiety Disorder (SAD)

This article aims to present researchers’ understanding of social anxiety disorder by reviewing the existing academic literature and conducting a multi-faceted review of the research literature on social anxiety disorder in the past century and modern times. The content first includes how researchers define social anxiety disorder and the importance of understanding social anxiety disorder research. Secondly, this article explores how modern literature identifies the characteristics, descriptions, and symptoms of social anxiety disorder. Finally, the author will also explain the current impact of social anxiety disorder on individuals and society, as well as the various current medical treatment options. The focus of this article will be primarily on understanding social anxiety disorder, a mental health disorder that is of great relevance to modern people and providing an overview of the various aspects of this mental illness. The research can have a positive influence on the practice and research of social anxiety disorder in many aspects. For example, this article can guide clinical practice and provide more effective treatment methods for patients with social anxiety disorder. Secondly, this article comprehensively reviews the existing literature. The review helps researchers understand the shortcomings of current research and inspires future research. Finally, the research content also uplifts public awareness of mental illnesses such as social anxiety disorder, making people pay more attention to mental health issues.

Burden of rare genetic disorders in India: twenty-two years’ experience of a tertiary centre

BackgroundRare disorders comprise of ~ 7500 different conditions affecting multiple systems. Diagnosis of rare diseases is complex due to dearth of specialized medical professionals, testing labs and limited therapeutic options. There is scarcity of data on the prevalence of rare diseases in different populations. India being home to a large population comprising of 4600 population groups, of which several thousand are endogamous, is likely to have a high burden of rare diseases. The present study provides a retrospective overview of a cohort of patients with rare genetic diseases identified at a tertiary genetic test centre in India.ResultsOverall, 3294 patients with 305 rare diseases were identified in the present study cohort. These were categorized into 14 disease groups based on the major organ/ organ system affected. Highest number of rare diseases (D = 149/305, 48.9%) were identified in the neuromuscular and neurodevelopmental (NMND) group followed by inborn errors of metabolism (IEM) (D = 47/305; 15.4%). Majority patients in the present cohort (N = 1992, 61%) were diagnosed under IEM group, of which Gaucher disease constituted maximum cases (N = 224, 11.2%). Under the NMND group, Duchenne muscular dystrophy (N = 291/885, 32.9%), trinucleotide repeat expansion disorders (N = 242/885; 27.3%) and spinal muscular atrophy (N = 141/885, 15.9%) were the most common. Majority cases of β-thalassemia (N = 120/149, 80.5%) and cystic fibrosis (N = 74/75, 98.7%) under the haematological and pulmonary groups were observed, respectively. Founder variants were identified for Tay-Sachs disease and mucopolysaccharidosis IVA diseases. Recurrent variants for Gaucher disease (GBA:c.1448T > C), β-thalassemia (HBB:c.92.+5G > C), non-syndromic hearing loss (GJB2:c.71G > A), albinism (TYR:c.832 C > T), congenital adrenal hyperplasia (CYP21A2:c.29–13 C > G) and progressive pseudo rheumatoid dysplasia (CCN6:c.298T > A) were observed in the present study.ConclusionThe present retrospective study of rare disease patients diagnosed at a tertiary genetic test centre provides first insight into the distribution of rare genetic diseases across the country. This information will likely aid in drafting future health policies, including newborn screening programs, development of target specific panel for affordable diagnosis of rare diseases and eventually build a platform for devising novel treatment strategies for rare diseases.

A Systematic Review and Meta-Analysis of Management Options for Empty Nose Syndrome: A Proposed Management Algorithm.

Empty nose syndrome (ENS) is an acquired condition characterized by paradoxical nasal obstruction and sensation of nasal dryness often accompanied by psychological disorders such as depression or anxiety, typically occurring after the loss of inferior turbinate tissue or volume in the setting of prior sinonasal surgery. This review aims to identify and evaluate the reported management options. PubMed, Scopus, and Web of Science. The terms "empty nose syndrome" OR "atrophic rhinitis" were used in a systematic search of original articles since the year 1990, yielding 1432 individual studies. These were screened on the Covidence platform for inclusion if any intervention was reported for the treatment of ENS. A pooled analysis of standardized mean differences (SMDs) combined with a random effects model was employed to report outcomes in Empty Nose 6-Item Questionnaire (ENS6Q), Sino-Nasal Outcome Test (SNOT), anxiety, and depression scores. A total of 35 articles were included, comprising 957 individual ENS patients. Surgical interventions mostly in the form of meatus augmentation implants accounted for 26 out of the 36 articles. The remaining ten articles included medical and psychological management options. SMD in SNOT, ENS6Q, anxiety, and depression scores were reported and demonstrated statistically significant improvements in follow-up periods of up to 1 year. All articles reported favorable outcomes following their chosen interventions. There is a paucity of evidence on the management of ENS and an absence of randomized controlled trials. Surgical intervention appears to be the current mainstay of treatment, but there is a potential role for psychological and medical management.

Diagnostic and therapeutic challenges for PCPs regarding heart failure with preserved ejection fraction and obesity: results of an online internet-based survey

BackgroundObesity (body mass index ≥ 30 kg/m2) is a major risk factor for heart failure with preserved ejection fraction (HFpEF) and affects most patients with HFpEF. Patients living with obesity may experience delays in HFpEF diagnosis and management. We aimed to understand the clinical journey of patients with obesity and HFpEF and the role of primary care providers (PCPs) in diagnosing and managing patients with both conditions.MethodsAn anonymous, US population-based online survey was conducted in September 2020 among 114 patients with self-reported HFpEF and obesity and 200 healthcare providers, 61 of whom were PCPs who treat patients with HFpEF and obesity.ResultsHalf of patients (51%) with HFpEF reported waiting an average of 11 months to discuss their symptoms with a PCP; 11% then received their diagnosis from a PCP. PCPs initiated treatment and oversaw the management of HFpEF only 35% of the time, and 44% of PCPs discussed obesity treatment medication options with their patients. Only 20% of PCPs indicated they had received formal obesity management training, and 79% of PCPs indicated they would be interested in obesity management training and support.ConclusionPCPs could play a valuable role in addressing obesity and referring patients with obesity and signs and symptoms of HFpEF to cardiologists. Increased awareness of HFpEF and its link to obesity may help PCPs more quickly identify and diagnose their patients with these conditions.Graphical

Factors Influencing Hospitalization of Nursing Home Residents in Korea Using Regularized Negative Binomial Regression.

The appropriateness of hospitalization for nursing home (NH) residents is still up for debate, with determining factors including timeliness, available treatment, healthcare staff, medication options in hospitals, and safety issues. Although the factors leading to hospitalization have been studied expansively, research on staffing is limited. Thus, this study aimed to investigate organizational predictors, nurse staffing, and government incentives and find important factors to hospitalization due to infection or disease among NH residents in Korea. A cross-sectional design was used, and data were collected via survey from a total of 51 NHs from August 27, 2021 to March 25, 2022. A total of 32 explanatory variables were included. The response variable was the count of hospitalized residents due to infection or disease. We analyzed data using least absolute shrinkage and negative binomial regression. We found that registered nurses' increased hours per resident day were related to decreased hospitalizations due to infection or disease. Appropriate retention and recruitment of nurse staffing with professional leadership should be performed to increase the quality of care for NH residents.

Application of 3D printing to create an in vitro aneurysm rupture model.

Currently available benchtop (in vitro) aneurysm models are inadequate for testing the efficacy of endovascular device treatments. Specifically, current models do not represent the mechanical instability of giant aneurysms (defined as aneurysms with 25 mm in height or width) and do not predictably rupture under simulated physiological conditions. Hence, in vitro aneurysm models with biomechanically relevant material properties and a predictable rupture timeframe are needed to accurately assess the efficacy of new medical device treatment options. Understanding the material properties of an aneurysm (e.g., shear and compression modulus) as it approaches rupture is a crucial step toward creating a pathologically relevant and sophisticated in vitro aneurysm rupture model. We investigated the change in material properties of a blood vessel, via enzymatic treatment, to simulate the degradation of an aneurysm wall and used this information to create a sophisticated aneurysm rupture model using the latest in additive manufacturing technologies (3D printing) with tissue-like materials. Mechanical properties (shear and compression modulus) of swine carotid vessels were evaluated before and after incubation with collagenase D enzyme (30 min at 37°C) to simulate the effect of biochemical activity on aneurysm wall approaching rupture compared to control vessels (untreated). Mechanical strength of a soft and flexible 3D-printed material (VCA-A30: 30 shore A hardness) was tested for comparison to these arterial vessels. This material was then used to create spherical shaped, giant-sized (25-mm diameter) aneurysm phantoms and were run under neurovascular pressures (120/80 ± 5 mmHg), beats per minute (BPM = 70) and flows representing the middle cerebral artery [MCA: 142.67 (±20.13) mL/min] using a blood analog [3.6 (±0.4) cP viscosity] with non-Newtonian shear-thinning properties. The shear modulus of swine carotid vessel before treatment was 12.2 (±2.7) KPa and compression modulus was 663.5 (±111.6) KPa. After enzymatic treatment by collagenase D, shear modulus of animal tissues reduced by 33% (p-value = .039) while compression modulus remained statistically unchanged (p-value = .615). Control group (untreated vessels) showed minimal reduction (13%, p-value = .226) in shear modulus and 78% increase (p-value = .034) in compression modulus. The shear modulus of the 3D-printed material was 228.59 (±24.82) KPa while its compression modulus was 668.90 (±13.16) KPa. This material was used to prototype a sophisticated in vitro giant aneurysm rupture model. When subjected to physiological pressures and flow rates, the untreated models consistently ruptured at ~12 min. These results indicate that aneurysm rupture can be recreated consistently in a benchtop in vitro model, utilizing the latest 3D-printed materials, connected to a physiologically relevant programmable pump. Further studies will investigate the optimization of various aneurysm dome thickness regions within the aneurysm, with tunable rupture times for comparison of aneurysm device deployment and benchtop controls based on the measurable effects of pressure and flow changes within the aneurysm models. These optimized in vitro rupture models could ultimately be used to test the efficacy of device treatment options and rupture risk by quantifying specific device rupture times and aneurysm rupture position.