Publications by authors named "Hans G Smeenk"

Article Synopsis
  • Post-cardiotomy cardiogenic shock (PCCS) is a severe condition after heart surgery, associated with high mortality rates of up to 90%, and the effectiveness of veno-arterial ECMO compared to conservative treatment is unclear.
  • A study analyzed 220 PCCS patients from over 7,000 cardiac surgeries, revealing that those on ECMO had a 60% in-hospital mortality rate versus 85% for those treated conservatively, along with better recovery of plasma lactate levels and end-organ performance.
  • The findings suggest that ECMO could significantly improve outcomes for PCCS patients, indicating the need for further research into its benefits compared to traditional treatments.
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Background: Postsurgical thoracic aortic pseudoaneurysms (PTAPs) are a potentially lethal complication after cardiac or aortic surgery. Surgical management can pose a challenge with high in-hospital mortality rates. Transcatheter closure is a less-invasive alternative treatment option for selected patients, although current experience is limited.

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Objective: Little is known regarding the long-term patency rates of surgical left subclavian artery (LSA) revascularization, especially when performed concomitant to thoracic endovascular aortic repair and without arterial occlusive disease. Our aim is to contribute to the existing evidence by reporting the patency rates at mid- and long-term follow-up after surgical LSA revascularization.

Methods: This observational, retrospective, single-center cohort study included 90 eligible patients who underwent a left common carotid artery to LSA bypass (72%) or transposition (28%) from December 31, 2017 to January 1, 2000.

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Objective: To evaluate the efficacy of thoracic endovascular aortic repair (TEVAR) in the treatment of patients with complicated type B aortic intramural haematoma (IMH).

Methods: A retrospective observational study of patients treated between January 2002 and December 2017 was performed. Complicated type B IMH was defined as persistent pain, rapid dilatation, presence of ulcer-like projections (ULPs), haemothorax, and other signs of (impending) rupture.

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To create an optimal landing zone (zone 2) in the aortic arch for concomitant or subsequent thoracic endovascular aortic repair of aortic diseases (aneurysm, dissection), surgeons frequently need to debranch the supra-aortic vessels. We present in this video tutorial an alternative to our video tutorial for surgical debranching of the left subclavian artery in which we used a central approach. When the proximal left subclavian artery is dissected or shows dense adhesions around its proximal, centrally located section, it can be helpful to stretch this bypass to the infraclavicular part of the left subclavian artery.

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To create an optimal landing zone (zone 2) in the aortic arch for concomitant or subsequent thoracic endovascular aortic repair of aortic diseases (aneurysm, dissection), surgeons frequently need to debranch the supra-aortic vessels. We present a surgical debranching of the left subclavian artery by performing a centrally located bypass from the left common carotid artery to the left subclavian artery.

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To create an optimal landing zone (zone 2) in the aortic arch for concomitant or subsequent thoracic endovascular aortic repair of aortic diseases (aneurysm, dissection), surgeons frequently need to debranch the supra-aortic vessels. In this video tutorial, we present an alternative to our 2 other video tutorials for surgical debranching of the left subclavian artery (link; link). Depending on patient-specific characteristics, surgical preference and local experience, the surgeon chooses the approach.

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To validate computed tomography angiography (CTA)-applied software to assess apposition, dilatation, and position of endografts in the proximal and distal landing zones after thoracic endovascular aortic repair (TEVAR) of thoracic aortic aneurysm. Twenty-two patients (median age 75.5 years; 11 men) with a degenerative descending thoracic aortic aneurysm treated with TEVAR with at least one postoperative CTA were selected from a single center's database.

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Objective: To examine if lung-parenchymal sparing resection ('sleeve' resection) is a safe and oncologically responsible alternative to pneumonectomy in patients with central tumours. Further, to evaluate in how far this technique is being used in the Netherlands.

Design: Retrospective cohort study.

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Background: The role of adjuvant chemoradiation in pancreatic cancer remains unclear. This report presents the long-term follow-up results of EORTC trial 40891, which assessed the role of chemoradiation in resectable pancreatic cancer.

Methods: Two hundred eighteen patients were randomized after resection of the primary tumor.

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Background: Pancreatic cancer is the fifth leading cause of cancer-related death worldwide. Among patients treated with surgery alone, liver metastasis occurs in up to 50%, peritoneal recurrence in 25%, and local recurrence occurs in 50-80% of all patients who underwent resection. Even after a macroscopically curative resection, tumour cells might be observed by microscopy at one or more edges of the resected specimen in 20-51% (R-1) which might account for the high local recurrence.

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Aim Of The Study: In two institutions, a retrospective analysis was performed on patients with histologically proven locally advanced pancreatic cancer without distant metastases. The aim of this analysis is to assess whether chemoradiotherapy provides survival benefit for patients with locally advanced pancreatic cancer.

Methods: Forty-five patients from the Erasmus Medical Centre (Erasmus MC), Rotterdam, received 5-fluorouracil (5-FU) and radiotherapy and, 38 patients from the Academic Medical Centre Amsterdam (AMC) were offered the best supportive care.

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Objective: A prospective randomized multicenter study was performed to assess whether the results of pylorus-preserving pancreaticoduodenectomy (PPPD) equal those of the standard Whipple (SW) operation, especially with respect to duration of surgery, blood loss, hospital stay, delayed gastric emptying (DGE), and survival.

Summary Background Data: PPPD has been associated with a higher incidence of delayed gastric emptying, resulting in a prolonged period of postoperative nasogastric suctioning. Another criticism of the pylorus-preserving pancreaticoduodenectomy for patients with a malignancy is the radicalness of the resection.

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