| 1. |
- Acosta, Stefan, et al.
(författare)
-
Multicentre prospective study of fascial closure rate after open abdomen with vacuum and mesh-mediated fascial traction
- 2011
-
Ingår i: British Journal of Surgery. - : Oxford University Press (OUP). - 0007-1323 .- 1365-2168. ; 98:5, s. 735-743
-
Tidskriftsartikel (refereegranskat)abstract
- Background: Damage control surgery and temporary open abdomen (OA) have been adopted widely, in both trauma and non-trauma situations. Several techniques for temporary abdominal closure have been developed. The main objective of this study was to evaluate the fascial closure rate in patients after vacuum-assisted wound closure and mesh-mediated fascial traction (VAWCM) for long-term OA treatment, and to describe complications. Methods: This prospective study included all patients who received VAWCM treatment between 2006 and 2009 at four hospitals. Patients with anticipated OA treatment for fewer than 5 days and those with non-midline incisions were excluded. Results: Among 151 patients treated with an OA, 111 received VAWCM treatment. Median age was 68 years. Median OA treatment time was 14 days. Main disease aetiologies were vascular (45 patients), visceral surgical disease (57) and trauma (9). The fascial closure rate was 76.6 per cent in intention-to-treat analysis and 89 per cent in per-protocol analysis. Eight patients developed an intestinal fistula, of whom seven had intestinal ischaemia. Intestinal fistula was an independent factor associated with failure of fascial closure (odds ratio (OR) 8.55, 95 per cent confidence interval 1.47 to 49.72; P = 0.017). The in-hospital mortality rate was 29.7 per cent. Age (OR 1.21, 1.02 to 1.43; P = 0.027) and failure of fascial closure (OR 44.50, 1.13 to 1748.52; P = 0.043) were independently associated with in-hospital mortality. Conclusion: The VAWCM method provided a high fascial closure rate after long-term treatment of OA. Technique-related complications were few. No patient was left with a large planned ventral hernia.
|
|
| 2. |
- Acosta, Stefan, et al.
(författare)
-
Open Abdomen Therapy with Vacuum and Mesh Mediated Fascial Traction After Aortic Repair : An International Multicentre Study
- 2017
-
Ingår i: European Journal of Vascular and Endovascular Surgery. - : Elsevier BV. - 1078-5884 .- 1532-2165. ; 54:6, s. 697-705
-
Tidskriftsartikel (refereegranskat)abstract
- Objectives: Open abdomen therapy may be necessary to prevent or treat abdominal compartment syndrome (ACS). The aim of the study was to analyse the primary delayed fascial closure (PDFC) rate and complications after open abdomen therapy with vacuum and mesh mediated fascial traction (VACM) after aortic repair and to compare outcomes between those treated with open abdomen after primary versus secondary operation. Methods: This was a retrospective cohort, multicentre study in Sweden, Finland, and Norway, including consecutive patients treated with open abdomen and VACM after aortic repair at six vascular centres in 2006-2015. The primary endpoint was PDFC rate. Results: Among 191 patients, 155 were men. The median age was 71 years (IQR 66-76). Ruptured abdominal aortic aneurysm (RAAA) occurred in 69.1%. Endovascular/hybrid and open repairs were performed in 49 and 142 patients, respectively. The indications for open abdomen were inability to close the abdomen (62%) at primary operation and ACS (80%) at secondary operation. Duration of open abdomen was 11 days (IQR 7-16) in 157 patients alive at open abdomen termination. The PDFC rate was 91.8%. Open abdomen initiated at primary (N=103), compared with secondary operation (N=88), was associated with less severe initial open abdomen status (p=.006), less intestinal ischaemia (p=.002), shorter duration of open abdomen (p=.007), and less renal replacement therapy (RRT, p<.001). In hospital mortality was 39.3%, and after entero-atmospheric fistula (N=9) was 88.9%. Seven developed graft infection within 6 months, 1 year mortality was 28.6%. Intestinal ischaemia (OR 3.71, 95% CI 1.55-8.91), RRT (OR 3.62, 95% CI 1.72-7.65), and age (OR 1.12, 95% CI 1.06-1.12), were independent factors associated with in hospital mortality, but not open abdomen initiated at primary versus secondary operation. Conclusions: VACM was associated with a high PDFC rate after prolonged open abdomen therapy following aortic repair. Patient outcomes seemed better when open abdomen was initiated at primary, compared with secondary operation but a selection effect is possible.
|
|
| 3. |
|
|
| 4. |
|
|
| 5. |
- Björck, Martin, et al.
(författare)
-
The clinical importance of monitoring intra-abdominal pressure after ruptured abdominal aortic aneurysm repair
- 2008
-
Ingår i: Scandinavian Journal of Surgery. - 1457-4969 .- 1799-7267. ; 97:2, s. 183-190
-
Forskningsöversikt (refereegranskat)abstract
- AIM: The aim of this paper was to review the literature on the clinical importance of monitoring intra-abdominal pressure (IAP) after ruptured abdominal aortic aneurysm (rAAA) repair. METHOD: The literature was searched for abdominal compartment syndrome (ACS) or intra-abdominal pressure and aortic aneurysm. Original articles were studied. Personal experiences were reported. RESULTS: The Consensus Documents of the World Society on the Abdominal Compartment Syndrome (wsacs.org), with their definitions and guidelines, constitute an important step forward for the possibilities to study this clinical entity. Few papers were published describing the problem specifically in the patient population operated on for ruptured abdominal aortic aneurysm (rAAA). The incidence was approximately 5% when the patients were not monitored with IAP, and above 10% when IAP was monitored. The incidence seems to be similar irrespective if open or endovascular repair is performed, though comparative prospective studies were not published. Patients with intra-abdominal hypertension (IAH) or ACS have higher mortality and more complications. If IAH is recognized early conservative treatment may be effective to prevent development of ACS. After ACS has developed, surgical decompression is usually required. A proposed algorithm on how to act on different levels of IAH is presented. CONCLUSIONS: IAH/ACS is an important complication after operation on patients with rAAA. Monitoring IAP may be associated with improved outcomes.
|
|
| 6. |
- Djavani-Gidlund, Khatereh, 1967-, et al.
(författare)
-
A comparative study of extra- and intraluminal sigmoid colonic tonometry to detect colonic hypoperfusion after operation for abdominal aortic aneurysm
- 2011
-
Ingår i: European Journal of Vascular and Endovascular Surgery. - : Elsevier BV. - 1078-5884 .- 1532-2165. ; 42:3, s. 302-308
-
Tidskriftsartikel (refereegranskat)abstract
- Objectives: There is no ideal method to monitor colonic perfusion after abdominal aortic aneurysm (AAA) repair. The aim was to evaluate extraluminal sigmoid colon tonometry, comparing with the established intraluminal method. Methods: Eighteen patients were monitored with both methods, 10 after elective and eight after ruptured AAA repair. One tonometric catheter was placed inside the sigmoid colon (intraluminal) and another extraluminally in close contact with the serosa of the sigmoid colon (extraluminal). Intra- and extraluminal partial pressure of carbon dioxide (pCO2) were measured every 10 min during 48 h postoperatively, 1536 simultaneous measurements. Intraluminal pH (pHi) and extraluminal pH (pHe) were calculated, and intra-abdominal pressure (IAP) was measured, every 4 h. Colonic ischaemia was defined as pHi ≤ 7.1. Results: Mean pHi was 7.18 ± 0.11 and mean pHe was 7.28 ± 0.09. With a pHe cut-off value of ≤7.2, the sensitivity and specificity to detect colonic ischaemia were 95% and 95%, respectively. Accuracy was 95% and the positive and negative predictive values 0.80 and 0.99, respectively. The positive likelihood ratio was 19 and the negative likelihood ratio 0.05. Conclusion: Extraluminal tonometry may serve as a screening test: A pHe-value <7.2 indicates suspected colonic ischaemia, meriting further investigation. It was not able to evaluate the severity of ischaemia.
|
|
| 7. |
- Djavani Gidlund, Khatereh, 1967-, et al.
(författare)
-
Intra-abdominal Hypertension and Abdominal Compartment Syndrome after Endovascular Repair of Ruptured Abdominal Aortic Aneurysm
- 2011
-
Ingår i: European Journal of Vascular and Endovascular Surgery. - : Elsevier BV. - 1078-5884 .- 1532-2165. ; 41:6, s. 742-747
-
Tidskriftsartikel (refereegranskat)abstract
- Objectives: To investigate the frequency of intra-abdominal hypertension (IAH)and abdominal compartment syndrome (ACS) after endovascular repair (EVAR) of rupturedabdominal aortic aneurysm (rAAA).Methods: This was a prospective clinical study. Patients with endovascular repair of rAAAbetween April 2004 and May 2010 were included. Intra-abdominal pressure (IAP) was measuredin the bladder every 4 h. IAH and ACS were defined according to the World Society of theAbdominal Compartment Syndrome consensus document. Early conservative treatments(diuretics, colloids and neuromuscular blockade) were given to patients with IAP > 12 mmHg.Results: Twenty-nine patients, who underwent endovascular repair of a rAAA, had their IAPmonitored. Twenty-five percent of them were in shock at arrival. Postoperatively, 10/29(34%) patients had an IAP > 15 mmHg and six (21%) had an IAP > 20 mmHg. Three (3/29,10%) patients developed ACS that necessitated abdominal decompression in two. Five out ofsix patients with IAP > 20 mmHg presented with preoperative shock. All patients except onewith preoperative shock developed some degree of IAH.Conclusion: IAH and ACS are common and potential serious complications after EVAR for rAAA.Successful outcome depends on early recognition, early conservative treatment to reduce IAHand decompression laparotomy if ACS develops.
|
|
| 8. |
- Djavani Gidlund, Khatereh
(författare)
-
Intra-abdominal Hypertension and Colonic Hypoperfusion after Abdominal Aortic Aneurysm Repair
- 2011
-
Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Colonic ischaemia (CI), Intra-abdominal hypertension (IAH) and abdominal compartment syndrome (ACS) are devastating complications after abdominal aortic aneurysm (AAA) surgery. The aims of this thesis were to study the incidence and clinical consequences of IAH/ACS and the association between CI and intra-abdominal pressure (IAP) among patients undergoing OR for ruptured AAA (rAAA), to compare extraluminal pHi monitoring, with standard intra-luminal monitoring among patients operated on for AAA, and to study the frequency and clinical consequences of IAH/ACS after endovascular repair (EVAR) for rAAA. The incidence of ACS was 26% in a retrospective study of 27 patients undergoing OR for rAAA. Consensus definitions on IAH/ACS were appropriate for patients after OR for rAAA: 78% (7/9) of patients with IAH grade III or IV developed organ failure and all patients who developed CI had some degree of IAH. Active fluid resuscitation treating hypovolaemia to avoid CI may partly cause IAH. The association between CI and IAP was investigated in a prospective study on 29 patients operated on for rAAA, 86% (25/29) were treated for hypovolaemia and ten (34%) had both IAH and CI. Since monitoring colonic perfusion is very important and there is no ideal method, a new technique, extraluminal colonic tonometry to detect colonic perfusion was compared with standard intraluminal tonometry. Although, this new method was not able to determine the severity of ischaemia it may serve as a screening test. EVAR of rAAA is feasible and patients may benefit from this less invasive procedure. Of 29 patients treated with this technique, 10% developed ACS, and all patients except one with preoperative shock developed some degree of IAH. In conclusion, IAP/ACS is common after both OR and EVAR for rAAA, and is associated with adverse outcome. Monitoring IAP and colonic perfusion with timely intervention may improve outcome.
|
|
| 9. |
- Djavani, Khatereh, et al.
(författare)
-
Colonic ischaemia and intra-abdominal hypertension following open repair of ruptured abdominal aortic aneurysm
- 2009
-
Ingår i: British Journal of Surgery. - : Oxford University Press (OUP). - 0007-1323 .- 1365-2168. ; 96:6, s. 621-627
-
Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND:: The aim was to investigate the association between colonic ischaemia and intra-abdominal pressure (IAP) after surgery for ruptured abdominal aortic aneurysm (rAAA). METHODS:: Sigmoid colon perfusion was monitored with an intramucosal pH (pHi) tonometer. Patients with a pHi of 7.1 or less were treated for suspected hypovolaemia with intravenous colloids and colonoscopy. IAP was measured every 4 h. Patients with an IAP of 20 mmHg or more had neuromuscular blockade, relaparotomy or both. RESULTS:: A total of 52 consecutive patients had open rAAA repair; 30-day mortality was 27 per cent. Eight patients died shortly after surgery. Fifteen were not monitored for practical reasons; mortality in this group was 33 per cent. IAP and pHi were measured throughout the stay in intensive care in the remaining 29 patients. Monitoring led to volume resuscitation in 25 patients, neuromuscular blockade in 16, colonoscopy in 19 and relaparotomy in two. One patient died in this group. Twenty-three of 29 patients had a pHi of 7.1 or less, of whom 15 had a pHi of 6.9 or less. Sixteen had an IAP of 20 mmHg or more, of whom ten also had a pHi below 6.90. Peak IAP values correlated with the simultaneously measured pHi (r = -0.39, P = 0.003). CONCLUSION:: Raised IAP is an important mechanism behind colonic hypoperfusion after rAAA repair. Monitoring IAP and timely intervention may improve outcome.
|
|
| 10. |
- Ersryd, Samuel
(författare)
-
Abdominal compartment syndrome and colonic ischaemia after abdominal aortic aneurysm repair in the endovascular era
- 2020
-
Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Abdominal Compartment Syndrome (ACS) and colonic ischaemia (CI) are serious and potentially lethal complications after open (OSR) and endovascular repair (EVAR) of ruptured (rAAA) and intact (iAAA) abdominal aortic aneurysms. The aims of this thesis were to investigate the incidence, outcome, and risk factors associated with ACS (Papers I-III) and to evaluate extraluminal colonic tonometry for postoperative surveillance of colonic perfusion (Paper IV).Papers I-III combined data from the nationwide Swedish vascular registry (Swedvasc) (2008-2015) with case records and radiologic imaging. Paper I investigated incidence and outcome of ACS. The incidence was approximately 7% for both EVAR and OSR after rAAA and 1.6% after OSR and 0.5% after EVAR for iAAA. ACS was associated with a more than two-fold (59% vs 27%) 90-day mortality after rAAA and six-fold (19% vs 3%) after iAAA. Paper II investigated risk factors and outcome among subgroups. Risk of death could not be attributed to a specific main pathology of ACS: CI, postoperative bleeding and general oedema, nor to timing of decompressive laparotomy in relation to AAA surgery. However, the duration of intra-abdominal hypertension (IAH) predicted the need for renal replacement therapy. Paper III investigated risk factors after EVAR for rAAA. ACS was rare without pronounced pre- or intraoperative physiologic derangement associated with circulatory instability. Aortic morphology did not impact ACS development, nor did presence of a patent inferior mesenteric and lumbar arteries, known risk factors for type II endoleak. Paper IV studied patients operated on for iAAA/rAAA (n=27), and demonstrated extraluminal colonic tonometry safe, reliable and indicative of CI among all affected patients (n=4).In conclusion, ACS was common after rAAA repair, with poor outcome irrespective of AAA repair technique and indication for repair. Outcome did not differ depending on the main pathophysiological finding associated with ACS development, while a longer duration of IAH increased the risk of renal replacement therapy. ACS after EVAR for rAAA was largely associated with pre- and intraoperative physiologic factors. These findings highlight the importance of vigilant intra-abdominal pressure measurement after rAAA repair and in case of haemodynamic instability, as well as timely interventions to treat IAH. Extraluminal colonic tonometry appears promising for surveillance of postoperative colonic perfusion.
|
|
