Clinical features and treatment outcomes of the spinal arteriovenous fistulas and malformations

2013 ◽  
Vol 19 (2) ◽  
pp. 207-216 ◽  
Author(s):  
Won-Sang Cho ◽  
Ki-Jeong Kim ◽  
O-Ki Kwon ◽  
Chi Heon Kim ◽  
Jiha Kim ◽  
...  
Keyword(s):  
Treatment Outcomes ◽  
Clinical Outcomes ◽  
Clinical Features ◽  
Vascular Diseases ◽  
Neurological Status ◽  
Treatment Modalities ◽  
Cure Rate ◽  
Arteriovenous Fistulas ◽  
Complete Obliteration

Object Spinal vascular diseases, such as spinal dural arteriovenous fistulas (DAVFs), perimedullary arteriovenous fistulas (AVFs), and spinal arteriovenous malformations (AVMs), are very rare. The authors analyzed the features and treatment outcomes of these conditions. Methods Data from 64 patients were retrospectively reviewed. There were 33 spinal DAVFs (1 patient had 2 lesions), 20 perimedullary AVFs, and 12 spinal AVMs. Clinical features, radiological findings, treatment results, and clinical outcomes were evaluated according to the diseases, subtypes, and treatment modalities. The median duration of follow-up was 20, 42, and 56 months for spinal DAVFs, perimedullary AVFs, and spinal AVMs, respectively. Results Spinal DAVFs showed faster progression of symptoms (median 5, 12, and 36 months for spinal DAVFs, perimedullary AVFs, and spinal AVMs, respectively) and worse neurological status at diagnosis (poor neurological status in 56%, 65%, and 33%, respectively). On MRI, signal voids were demonstrated in all except 1 spinal DAVF. At the last follow-up, 94% of spinal DAVFs, 68% of perimedullary AVFs, and 50% of spinal AVMs were completely obliterated. Favorable clinical outcomes were achieved in 91%, 95%, and 58%, respectively. In detail, the majority (78%) of spinal DAVFs were embolized, resulting in complete obliteration in 92% and favorable clinical outcomes in 92%. Most Type IVa and IVb perimedullary AVFs were surgically treated (71% and 88%), with complete obliterations of 86% and 71%, and favorable clinical outcomes in 100% and 86%, respectively. All Type IVc lesions were embolized with a low cure rate of 40%; however, clinical outcomes were satisfactory. Spinal AVMs were generally embolized (67%), and only glomus-type lesions attained a satisfactory cure rate (80%) and clinical outcome (100%). Conclusions Embolization produced satisfactory outcomes in spinal DAVFs and glomus-type spinal AVMs. Surgery is advantageous in Type IVa and IVb perimedullary AVFs. Palliative embolization can be effective in Type IVc perimedullary AVFs and juvenile spinal AVMs.

Spinal extradural arteriovenous fistulas

2013 ◽  
Vol 19 (5) ◽  
pp. 582-590 ◽  
Author(s):  
Wendy Huang ◽  
Bradley A. Gross ◽  
Rose Du
Keyword(s):  
Treatment Strategies ◽  
Venous Drainage ◽  
Neurofibromatosis Type ◽  
Venous Hypertension ◽  
High Rate ◽  
Treatment Modalities ◽  
Arteriovenous Fistulas ◽  
Pubmed Database ◽  
Complete Obliteration

Object Our understanding of spinal extradural arteriovenous fistulas (eAVFs) is relatively limited. In this study the authors aimed to provide the demographics, natural history, and treatment results of these rare lesions. Methods The authors performed a pooled analysis of data in the PubMed database through December 2012. Individualized patient data were extracted to elucidate demographic, clinical, and angioarchitectural features of spinal eAVFs as well as outcomes following different treatment strategies. Results Information on 101 patients was extracted from 63 eligible studies. The mean patient age was 45.9 years, and there was no significant overall sex predilection. Only 3% of the lesions were incidental, whereas 10% occurred in patients who had presented with hemorrhage. None of the 64 patients with at least 1 month of untreated follow-up sustained a hemorrhage over a total of 83.8 patient-years. Patients with lumbosacral eAVFs were significantly older (mean age 58.7 years, p < 0.0001), were significantly more often male (70% male, p = 0.02), had significantly worse presenting Aminoff-Logue motor and bladder scores (p = 0.0008 and < 0.0001, respectively), and had the greatest prevalence of lesions with intradural venous drainage (62% of cases, p < 0.0001). Neurofibromatosis Type 1 (30% of cases, p < 0.0001) and subarachnoid hemorrhage (9% of cases, p = 0.06) were associated with and exclusively found in patients with cervical eAVFs. The overall complete obliteration rate was 91%. After a mean follow-up of 1.7 years, the clinical condition was improved in 89% of patients, the same in 9%, and worse in 2%. Obliteration rates and outcome at follow-up did not significantly differ between surgical and endovascular treatment modalities. Conclusions Spinal eAVFs are rare lesions with a low risk of hemorrhage; they cause neurological morbidity as a result of mass effect and/or venous hypertension. Their treatment is associated with a high rate of complete obliteration and improvement in preoperative symptoms.

scholarly journals Characteristics, Outcomes, and Statistical Solutions of Missing Cases in Web-Based Psychotherapy: A methodological replication and elaboration (Preprint)

2020 ◽  
Author(s):  
Eyal Karin ◽  
Monique Francis Crane ◽  
Blake Farran Dear ◽  
Olav Nielssen ◽  
Gillian Ziona Heller ◽  
...  
Keyword(s):  
Psychological Distress ◽  
Treatment Outcomes ◽  
Clinical Outcomes ◽  
Treatment Adherence ◽  
Statistical Models ◽  
Post Treatment ◽  
Symptom Change ◽  
Web Based ◽  
Reduction Effect

BACKGROUND Missing cases present a challenge to our ability to evaluate the effects of web-based psychotherapy trials. As missing cases are often lost to follow up, less is known about their characteristics, their likely clinical outcomes, or the likely effect of the treatment being trialled. OBJECTIVE To explore the characteristics of missing cases, their likely treatment outcomes, and the ability of different statistical models to approximate missing post-treatment data. METHODS A sample of internet-delivered cognitive behavioural therapy participants, in routine care (n = 6701 with 36% missing cases at post-treatment), was used to identify predictors of dropping out of treatment and predictors that moderated clinical outcomes, such as psychological distress, anxiety and depressive symptoms. These variables were then incorporated into a range of statistical models that approximated replacement outcomes for missing cases, with the results compared using sensitivity and cross-validation analyses. RESULTS Treatment adherence, as measured by the rate of an individual’s progress through the treatment modules, and higher symptom scores at pre-treatment, were identified as the dominant predictors of missing cases probability (Nagelkerke R2 = 60.8%), as well as the rate of symptom change. Low treatment adherence, in particular, was associated with increased odds for presenting as missing cases during post-treatment assessment (eg, OR = 161.1:1) and at the same time, attenuate the rate of symptom change across anxiety (up to 28% of the total symptom 48% reduction effect), depression (up to 41% of the total 48% symptom reduction effect) and psychological distress symptom outcomes (up to 52% of the total 37% symptom reduction effect) at the end of an eight week window. Reflecting this pattern of results, statistical replacement methods that overlooked the features of treatment adherence, and baseline severity, underestimated missing case symptom outcomes by as much as 40% at post-treatment. CONCLUSIONS The treatment outcomes of the cases that were missing at follow up were distinct from the remaining observed sample. Thus, overlooking the features of missing cases is likely to result in an inaccurate estimate of the effect of treatment. CLINICALTRIAL

Multimodality treatment of posterior fossa arteriovenous malformations

2008 ◽  
Vol 108 (6) ◽  
pp. 1152-1161 ◽  
Author(s):  
Michael E. Kelly ◽  
Raphael Guzman ◽  
John Sinclair ◽  
Teresa E. Bell-Stephens ◽  
Regina Bower ◽  
...  
Keyword(s):  
Posterior Fossa ◽  
Arteriovenous Malformations ◽  
Multimodality Treatment ◽  
Neurological Complications ◽  
Cure Rate ◽  
Complete Obliteration ◽  
The Mean ◽  
Risk Of Hemorrhage ◽  
Negative Predictor

Object Posterior fossa arteriovenous malformations (AVMs) are relatively uncommon and often difficult to treat. The authors present their experience with multimodality treatment of 76 posterior fossa AVMs, with an emphasis on Spetzler–Martin Grades III–V AVMs. Methods Seventy-six patients with posterior fossa AVMs treated with radiosurgery, surgery, and endovascular techniques were analyzed. Results Between 1982 and 2006, 36 patients with cerebellar AVMs, 33 with brainstem AVMs, and 7 with combined cerebellar–brainstem AVMs were treated. Natural history data were calculated for all 76 patients. The risk of hemorrhage from presentation until initial treatment was 8.4% per year, and it was 9.6% per year after treatment and before obliteration. Forty-eight patients had Grades III–V AVMs with a mean follow-up of 4.8 years (range 0.1–18.4 years, median 3.1 years). Fifty-two percent of patients with Grades III–V AVMs had complete obliteration at the last follow-up visit. Three (21.4%) of 14 patients were cured with a single radiosurgery treatment, and 4 (28.6%) of 14 with 1 or 2 radiosurgery treatments. Twenty-one (61.8%) of 34 patients were cured with multimodality treatment. The mean Glasgow Outcome Scale (GOS) score after treatment was 3.8. Multivariate analysis performed in the 48 patients with Grades III–V AVMs showed radiosurgery alone to be a negative predictor of cure (p = 0.0047). Radiosurgery treatment alone was not a positive predictor of excellent clinical outcome (GOS Score 5; p > 0.05). Nine (18.8%) of 48 patients had major neurological complications related to treatment. Conclusions Single-treatment radiosurgery has a low cure rate for posterior fossa Spetzler–Martin Grades III–V AVMs. Multimodality therapy nearly tripled this cure rate, with an acceptable risk of complications and excellent or good clinical outcomes in 81% of patients. Radiosurgery alone should be used for intrinsic brainstem AVMs, and multimodality treatment should be considered for all other posterior fossa AVMs.

scholarly journals Intracranial hemorrhage from dural arteriovenous fistulas: clinical features and outcome

2013 ◽  
Vol 34 (5) ◽  
pp. E15 ◽  
Author(s):  
David J. Daniels ◽  
Ananth K. Vellimana ◽  
Gregory J. Zipfel ◽  
Giuseppe Lanzino
Keyword(s):  
Clinical Features ◽  
Intracranial Hemorrhage ◽  
Case Series ◽  
Venous Drainage ◽  
Sudden Onset ◽  
Residual Symptoms ◽  
Arteriovenous Fistulas ◽  
Common Location ◽  
Dural Arteriovenous Fistulas

Object In this paper the authors' goal was to review the clinical features and outcome of patients with intracranial dural arteriovenous fistulas (DAVFs) who presented with hemorrhage. Methods A retrospective study of 28 patients with DAVFs who presented with intracranial hemorrhage to 2 separate institutions was performed. The information reviewed included clinical presentation, location and size of hemorrhage, angiographic features, treatment, and clinical and radiologically documented outcomes. Clinical and radiological follow-up were available in 27 of 28 patients (mean follow-up 17 months). Results The vast majority of patients were male (86%), and the most common presenting symptom was sudden-onset headache. All DAVFs had cortical venous drainage, and about one-third were associated with a venous varix. The most common location was tentorial (75%). Treatment ranged from endovascular (71%), surgical (43%), Gamma Knife surgery (4%), or a combination of modalities. The majority of fistulas (75%) were completely obliterated, and most patients experienced excellent clinical outcome (71%, modified Rankin Scale score of 0 or 1). There were no complications in this series. Conclusions Case series, including the current one, suggest that the vast majority of patients who present with intracranial hemorrhage from a DAVF are male. The most common location for DAVFs presenting with hemorrhage is tentorial. Excellent outcomes are achieved with individualized treatment, which includes various therapeutic strategies alone or in combination. Despite the hemorrhagic presentation, almost two-thirds of patients experience a full recovery with no or minimal residual symptoms.

scholarly journals Intraarterial Thrombolysis with r-tPA for Treatment of Anterior Circulation Acute Ischemic Stroke

2003 ◽  
Vol 9 (3) ◽  
pp. 273-282
Author(s):  
F. Baltacioğlu ◽  
N. Afşar ◽  
G. Ekinci ◽  
N. Tuncer-Elmaci ◽  
N Çagatay Çimşit ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Recombinant Tissue Plasminogen Activator ◽  
Neurological Status ◽  
Treatment Modalities ◽  
Anterior Circulation ◽  
Main Trunk ◽  
History Of ◽  
The Right

To investigate factors effecting the safety and recanalization efficacy of local intraarterial (IA) recombinant tissue plasminogen activator (r-tPA) delivery in patients with acute ischemic stroke. Eleven patients with anterior circulation acute ischemic stroke were treated. The neurological status of the patients were graded with the Glasgow Coma Scale (GCS) and National Institute of Health Stroke Scale (NIHSS). All patients underwent a computed tomography (CT) examination at admission. In addition four patients had diffusion-weighted and one patient had a perfusion magnetic resonance (MR) examinations. Patients were treated within six hours from stroke onset. Immediate, six hours, and 24 hours follow-up CT examinations were performed in order to evaluate the haemorrhagic complications and the extent of the ischemic area. The Rankin Scale (RS) was used as an outcome measure. Two of the 11 patients had carotid “T” occlusion (CTO), nine had middle cerebral artery (MCA) main trunk occlusion. Four patients had symptomatic haemorrhage with a large haematoma rupturing into the ventricles and subarachnoid space. Of these, three patients died within 24 hours. The remaining seven patients had asymptomatic haematomas that were smaller compared to symptomatic ones, and showed regression in size and density on follow-up CTs. At third month five patients had a good outcome and three patients had a poor outcome. In acute ischemic stroke, local IA thrombolysis is a feasible treatment when you select the right patient. Haemorrhage rate does not seem to exceed that occuring in the natural history of the disease and in other treatment modalities.

scholarly journals Multimodal treatment strategies for complex pediatric cerebral arteriovenous fistulas: contemporary case series at Barrow Neurological Institute

2015 ◽  
Vol 15 (6) ◽  
pp. 615-624 ◽  
Author(s):  
Hasan A. Zaidi ◽  
M. Yashar S. Kalani ◽  
Robert F. Spetzler ◽  
Cameron G. McDougall ◽  
Felipe C. Albuquerque
Keyword(s):  
Heart Failure ◽  
Congestive Heart Failure ◽  
Clinical Outcomes ◽  
Endovascular Therapy ◽  
Open Surgery ◽  
Treatment Strategies ◽  
Preoperative Imaging ◽  
Arteriovenous Fistulas ◽  
Surgeon Experience

OBJECT Pediatric cerebral arteriovenous fistulas (AVFs) are rare but potentially lethal vascular lesions. Management strategies for these lesions have undergone considerable evolution in the last decade with the advent of new endovascular, surgical, and radiosurgical technologies. This study sought to review current treatment strategies and long-term clinical outcomes at a high-volume cerebrovascular institute. METHODS A retrospective chart review was performed on patients with a diagnosis of cerebral AVF from 1999 to 2012. Patients with carotid-cavernous fistulas, vein of Galen malformations, and age > 18 years were excluded from final analysis. Medical history, surgical and nonsurgical treatment, and clinical outcomes were documented. Pre- and postoperative angiograms were analyzed to assess for obliteration of the fistula. RESULTS Seventeen patients with pial AVFs (29.4%), dural AVFs (64.7%), or mixed pial/dural AVFs (5.9%) were identified. The majority of lesions were paramedian (70.6%) and supratentorial (76.5%). The study population had a mean age of 6.4 years, with a slight male predominance (52.9%), and the most common presenting symptoms were seizures (23.5%), headaches (17.6%), congestive heart failure (11.7%), and enlarging head circumference (11.7%). Among patients who underwent intervention (n = 16), 56.3% were treated with endovascular therapy alone, 6.3% were treated with open surgery alone, and 37.5% required a multimodal approach. Overall, 93.8% of the treated patients received endovascular treatment, 43.8% received open surgery, and 12.5% received radiosurgery. Endovascular embolysates included Onyx (n = 5), N-butyl cyanoacrylate (NBCA; n = 4), or coil embolization (n = 7) with or without balloon assistance (n = 2). Complete angiographic obliteration was achieved in 87.5% at the last follow-up evaluation (mean follow-up 3.1 years). One infant with incomplete AVF obliteration died of congestive heart failure, and 1 patient with complete obliteration died of acute sinus thrombosis, with an overall complication rate of 18.8%. CONCLUSIONS Pediatric cerebral AVFs are challenging neurosurgical lesions. Although advancements in endovascular therapy in the last decade have greatly changed the natural course of this disease, a multidisciplinary approach remains necessary for a large subset of patients. Surgeon experience with a thorough analysis of preoperative imaging is paramount to achieving acceptable clinical outcomes.

scholarly journals Curative Glubran 2 Embolization of Cerebral Arteriovenous Malformations Patient Selection and Initial Results

2014 ◽  
Vol 20 (6) ◽  
pp. 722-728 ◽  
Author(s):  
Jie Liu ◽  
Ming Lv ◽  
Xianli Lv ◽  
Hongwei He ◽  
Aihua Liu ◽  
...  
Keyword(s):  
Clinical Outcomes ◽  
Arteriovenous Malformations ◽  
Gamma Knife Radiosurgery ◽  
Clinical Results ◽  
Hemorrhagic Complication ◽  
Cerebral Arteriovenous Malformations ◽  
Complete Obliteration ◽  
Glubran 2 ◽  
Cerebral Avms

The liquid embolic agents currently used for embolization of cerebral arteriovenous malformations are Onyx and NBCA. Glubran 2, a cyanoacrylate-based synthetic glue, has recently been applied for embolization of cerebral arteriovenous malformations (AVMs). We report the clinical results of selected cerebral AVMs treated with Glubran 2 targeting for curative embolization. Between October 2011 and March 2013, 31 patients with cerebral AVMs were selected for curative embolization with Glubran 2. There were 19 men and 12 women with a mean age of 32 years (range 4–65 years). Initial clinical presentation included hemorrhage in 28 and seizures in three patients. AVM location was frontal in eight patients, parietal in four, occipital in eight temporal in six, cerebellar in two and cerebellar vermis in three patients. Follow-up was performed clinically and with angiography examination at three to six months. Clinical outcomes were evaluated based on the modified Rankin Scale (mRS). A mean of 2.5 (range, 1–12) feeding pedicles were embolized per patient. Complete angiographic obliteration of AVM was achieved in 27 patients. A hemorrhagic complication was observed in one patient, an ischemic complication in one patient and technical complications in four patients. There was no procedure-related disabling neurological deficit or death at discharge. Additional gamma knife radiosurgery was performed in five patients, including one patient with recurrent AVM. All of the patients had favorable clinical outcomes at three to six month follow-up (mRS≤2). The curative embolization technique with Glubran 2 for selected cerebral AVMs achieved a high initial complete obliteration rate with an acceptable complication frequency.

scholarly journals Review of Clinical Features, Microbiological Spectrum, and Treatment Outcomes of Endogenous Endophthalmitis over an 8-Year Period

2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
Zenith H. Y. Wu ◽  
Rose P. S. Chan ◽  
Fiona O. J. Luk ◽  
David T. L. Liu ◽  
Carmen K. M. Chan ◽  
...  
Keyword(s):  
Treatment Outcomes ◽  
Clinical Features ◽  
Outcome Measure ◽  
Visual Outcome ◽  
Endogenous Endophthalmitis ◽  
Light Perception ◽  
Gram Negative ◽  
Finger Counting ◽  
The Mean

Purpose. To evaluate the clinical features, microbiological spectrum, and treatment outcomes of endogenous endophthalmitis.Methods. Retrospective review of consecutive cases with infective endogenous endophthalmitis presenting from 2000 to 2007. The main outcome measure was the visual outcome at the latest follow-up visit. Other outcome measures included microbiological investigations, anatomical and clinical outcomes.Results. 22 eyes of 21 patients were included, and the mean follow-up duration was 2.7 years. Eyes with fungal endogenous endophthalmitis were more likely to have visual acuity of finger counting or better at presentation compared with those with bacterial endogenous endophthalmitis (odds , ). Gram-negative microorganisms accounted for 50% of infections, while fungal and gram-positive organisms accounted for 27.3% and 22.7%, respectively. Despite treatment, the visual outcome was poor in general as 10 (45.5%) eyes had no light perception at the latest follow-up visit and 6 (27.3%) eyes required enucleation or evisceration. Contrary to previous studies, fungal endogenous endophthalmitis did not appear to have better visual outcome compared with bacterial endogenous endophthalmitis.Conclusion. Gram-negative microorganisms were the main causative pathogens of endogenous endophthalmitis in Hong Kong. The visual prognosis of endogenous endophthalmitis is generally poor as almost 50% of eyes were blind despite treatment.

scholarly journals Clinical Features and Treatment Outcomes of Vulvar Sarcoma: A Single-Institution Review of 21 Cases

2020 ◽  
Author(s):  
Haifeng Gu ◽  
Guochen Liu ◽  
Lili Liu ◽  
Zhimin Liu ◽  
Junyun Li ◽  
...  
Keyword(s):  
Treatment Outcomes ◽  
Clinical Features ◽  
Epithelioid Sarcoma ◽  
Pelvic Mass ◽  
Adjuvant Chemoradiotherapy ◽  
Wide Resection ◽  
Cancer Center ◽  
Group A ◽  
Group B

Abstract BackgroundValvar sarcoma is an extremely rare disease in which the data for treatment and prognosis are scarce. The aim of this study was to analysis the clinical features and treatment outcomes of initial and recurrent valvar sarcoma.MethodThe medical records of patients with initial or recurrent vulvar sarcoma treated at Sun Yat-sen University Cancer Center between January 2005 and April 2019 were retrospectively reviewed.Results A total of 21 patients with vulvar sarcoma were identified. The median age of them was 43 years (range: 16 to 71). The histological subtypes were epithelioid sarcoma, leiomyosarcoma, dermatofibrosarcoma protuberans, rhabdomyosarcoma, and angiosarcoma in 9, 4, 4, 3 and 1 patients, respectively. None of the patients received wide resection when they were initially treated at communities. Thirteen patients were referred immediately after initial managements (Group A), whereas 8 patients were referred with recurrent disease (Group B). Wide resections were performed with pathologically negative margins in 20 patients, of whom 9 also received lymphadenectomy and 3 showed metastases. One patient in Group B only received chemoradiotherapy for unresectable pelvic mass. Adjuvant chemoradiotherapy were performed for 12 patients evaluated to have high risk of recurrence. The median follow-up time was 39 months (range: 11 to 174) for Group A and 107 (range: 2 to 139) for Group B. During the follow-up, relapse occurred in 3 patients in Group A and 5 in Group B. The 3- and 5-year survival rates were 92.3% and 76.9% for Group A, 50.0% and 37.5% for Group B, respectively.ConclusionsVS is usually resected as benign disease at initial management. Immediate extended resection with negative margins provided favorable outcomes for most of the patients. The prognosis for recurrent cases were poor, however there remained survival opportunities if aggressive treatments were carried out.

scholarly journals Clinical outcomes of EUS-guided drainage of debris-containing pancreatic pseudocysts: a large multicenter study

2017 ◽  
Vol 05 (02) ◽  
pp. E130-E136 ◽  
Author(s):  
Dennis Yang ◽  
Sunil Amin ◽  
Susana Gonzalez ◽  
Daniel Mullady ◽  
Steven Edmundowicz ◽  
...  
Keyword(s):  
Treatment Outcomes ◽  
Clinical Outcomes ◽  
The United States ◽  
Term Treatment ◽  
Pancreatic Pseudocysts ◽  
Endoscopic Drainage ◽  
Technical Success ◽  
Long Term Treatment

Abstract Background and study aims Data on clinical outcomes of endoscopic drainage of debris-free pseudocysts (PDF) versus pseudocysts containing solid debris (PSD) are very limited. The aims of this study were to compare treatment outcomes between patients with PDF vs. PSD undergoing endoscopic ultrasound (EUS)-guided drainage via transmural stents. Patients and methods Retrospective review of 142 consecutive patients with pseudocysts who underwent EUS-guided transmural drainage (TM) from 2008 to 2014 at 15 academic centers in the United States. Main outcome measures included TM technical success, treatment outcomes (symptomatic and radiologic resolution), need for endoscopic re-intervention at follow-up, and adverse events (AEs). Results TM was performed in 90 patients with PDF and 52 with PSD. Technical success: PDF 87 (96.7 %) vs. PSD 51 (98.1 %). There was no difference in the rates for endoscopic re-intervention (5.5 % in PDF vs. 11.5 % in PSD; P = 0.33) or AEs (12.2 % in PDF vs. 19.2 % in PSD; P = 0.33). Median long-term follow-up after stent removal was 297 days (interquartile range [IQR]: 59 – 424 days) for PDF and 326 days (IQR: 180 – 448 days) for PSD (P = 0.88). There was a higher rate of short-term radiologic resolution of PDF (45; 66.2 %) vs. PSD (21; 51.2 %) (OR = 0.30; 95 % CI: 0.13 – 0.72; P = 0.009). There was no difference in long-term symptomatic resolution (PDF: 70.4 % vs. PSD: 66.7 %; P = 0.72) or radiologic resolution (PDF: 68.9 % vs. PSD: 78.6 %; P = 0.72) Conclusions There was no difference in need for endoscopic re-intervention, AEs or long-term treatment outcomes in patients with PDF vs. PSD undergoing EUS-guided drainage with transmural stents. Based on these results, the presence of solid debris in pancreatic fluid collections does not appear to be associated with a poorer outcome.

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