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Post-operative wound issues in abdominal surgery have a significant impact on patient outcomes. This study is taking place to investigate if Negative Pressure Wound Therapy (NPWT) dressings reduces Surgical Site Infections, post surgical complications and improves scar appearance compared to standard dressings.
NPWT dressings are designed to remove and absorb any fluid leaking from the wound. This might reduce surgical site infections, improve wound healing and improve scar appearance compared to using standard dressings.
Data is limited in the application of NPWT dressings to laparotomy incisions in the acute and elective care surgery setting. Surgical site infections can complicate a patient's post-operative course significantly, often necessitating a longer length of stay, antibiotic therapy, intervention for wound collections and impair patient mobility and overall recovery.
In addition to this, laparotomy wound complications can possibly delay adjuvant therapy and also increases healthcare costs both as an inpatient and in the community. Despite significant measures to reduce such complications in the form of wound care bundles, changing of gloves prior to wound closure etc., surgical site complications continue to represent a huge healthcare burden.
The Investigators are conducting this study to determine whether NPWT dressings reduce surgical site infections, improve wound healing and scar appearance. This study will also involve a cost-based analysis and seek information from patients on their quality of life. Results from this study will provide evidence on whether these dressings should be used as standard of care for management of surgical laparotomy wounds.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Negative Pressure Wound Therapy | Experimental | The wound is dressed using negative pressure wound therapy. |
|
| Standard Wound dressing | Active Comparator | After the skin is closed, the wound is covered using sterile standard gauze dressing. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Negative Pressure Wound Therapy | Device | Application of a negative wound pressure therapy dressing to the wound post laparotomy |
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| Measure | Description | Time Frame |
|---|---|---|
| Rate of Surgical Site Infection (SSI) | To compare the rate of surgical site infections within 1 month of the surgical procedure, using Negative Pressure Wound Therapy compared to standard dressings. SSIs will be classified according to Centre for Disease Control (CDC) criteria. | 1 month following surgery |
| Rate of Surgical Site Infection (SSI) | To compare the rate of surgical site infections within 3 months of the surgical procedure, using Negative Pressure Wound Therapy compared to standard dressings. SSIs will be classified according to Centre for Disease Control (CDC) criteria. | 3 months following surgery |
| Rate of Surgical Site Infection (SSI) | To compare the rate of surgical site infections within 6 months of the surgical procedure, using Negative Pressure Wound Therapy compared to standard dressings. SSIs will be classified according to Centre for Disease Control (CDC) criteria. | 6 months following surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Health-related quality of life with the EuroQol-5 dimensions five level index questionnaire (EQ-5D-5L) | The questionnaire covers five dimensions of health: mobility, self-care, usual activities, pain or discomfort, and anxiety or depression. Each dimension has 5 levels: no problems (1), slight problems (2), moderate problems (3), severe problems (4) and extreme problems (5). The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. The raw scores are also converted to an EQ-5D index value using a scoring algorithm (British tariff) ranging from -0.594 (worst perceived health state) to 1.00 (best perceived health state) |
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Inclusion Criteria:
Exclusion Criteria:
• Patients who are unable to adhere to protocol requirements
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Claire Donohoe, PhD, FRCSI | Contact | 35314103000 | Cldonohoe@stjames.ie | |
| Noel Donlon, PhD | Contact | 35314103000 | donlonn@tcd.ie |
| Name | Affiliation | Role |
|---|---|---|
| Claire Donohoe, PhD, FRCSI | Trinity College Dublin /Royal College of Surgeons | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Mayo University Hospital | Recruiting | Castlebar | Ireland |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 39178168 | Derived | Davey MG, Donlon NE, Walsh SR, Donohoe CL; PROPEL-2 Trial Collaborators. Prophylactic negative pressure wound therapy (NPWT) in laparotomy wounds (PROPEL-2): protocol for a randomized clinical trial. BJS Open. 2024 Jul 2;8(4):zrae081. doi: 10.1093/bjsopen/zrae081. |
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Parallel Assignment
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| Standard wound dressing | Other | Application of a standard wound dressing to the wound post laparotomy |
|
| Baseline |
| Health-related quality of life with the EuroQol-5 dimensions five level index questionnaire (EQ-5D-5L) | The questionnaire covers five dimensions of health: mobility, self-care, usual activities, pain or discomfort, and anxiety or depression. Each dimension has 5 levels: no problems (1), slight problems (2), moderate problems (3), severe problems (4) and extreme problems (5). The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. The raw scores are also converted to an EQ-5D index value using a scoring algorithm (British tariff) ranging from -0.594 (worst perceived health state) to 1.00 (best perceived health state) | 1 month following surgery |
| Health-related quality of life with the EuroQol-5 dimensions five level index questionnaire (EQ-5D-5L) | The questionnaire covers five dimensions of health: mobility, self-care, usual activities, pain or discomfort, and anxiety or depression. Each dimension has 5 levels: no problems (1), slight problems (2), moderate problems (3), severe problems (4) and extreme problems (5). The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. The raw scores are also converted to an EQ-5D index value using a scoring algorithm (British tariff) ranging from -0.594 (worst perceived health state) to 1.00 (best perceived health state) | 3 months following surgery |
| Health-related quality of life with the EuroQol-5 dimensions five level index questionnaire (EQ-5D-5L) | The questionnaire covers five dimensions of health: mobility, self-care, usual activities, pain or discomfort, and anxiety or depression. Each dimension has 5 levels: no problems (1), slight problems (2), moderate problems (3), severe problems (4) and extreme problems (5). The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. The raw scores are also converted to an EQ-5D index value using a scoring algorithm (British tariff) ranging from -0.594 (worst perceived health state) to 1.00 (best perceived health state) | 6 months following surgery |
| Scar assessment - using the Patient and Observer Scar Assessment Scale (POSAS) | The POSAS is made up of two scales: the patient scale and the observer scale; each of the six components is scored numerically on a scale of 1 to 10. The component scores are then added together; the worst scar would receive a score of 60, while the best scar would receive a score of 6 | 1 month following surgery |
| Scar assessment - using the Patient and Observer Scar Assessment Scale (POSAS) | The POSAS is made up of two scales: the patient scale and the observer scale; each of the six components is scored numerically on a scale of 1 to 10. The component scores are then added together; the worst scar would receive a score of 60, while the best scar would receive a score of 6 | 3 months following surgery |
| Scar assessment - using the Patient and Observer Scar Assessment Scale (POSAS) | The POSAS is made up of two scales: the patient scale and the observer scale; each of the six components is scored numerically on a scale of 1 to 10. The component scores are then added together; the worst scar would receive a score of 60, while the best scar would receive a score of 6 | 6 months following surgery |
| Health-related out-of- Pocket Costs assessed using the Costs for Patients Questionnaire (CoPaQ) | The CoPaQ measures patient and caregivers out-of-pocket expenses (direct and indirect) associated with a health condition | 1 month |
| Health-related out-of- Pocket Costs assessed using the Costs for Patients Questionnaire (CoPaQ) | The CoPaQ measures patient and caregivers out-of-pocket expenses (direct and indirect) associated with a health condition | 3 months |
| Health-related out-of- Pocket Costs assessed using the Costs for Patients Questionnaire (CoPaQ) | The CoPaQ measures patient and caregivers out-of-pocket expenses (direct and indirect) associated with a health condition | 6 months |
| Health Economics evaluation of resource use and cost effectiveness using Negative Pressure Wound Therapy dressings | Investigating resource use and cost effectiveness of single-use, prophylactic negative pressure wound therapy versus standard dressings for midline laparotomy wounds based on length of hospital stay and costs of dressings | 6 months |
| Healthcare incremental cost- utility ratio | The incremental cost-effectiveness ratio at 6 months for NPWT vesus standard dressings for patients undergoing laparotomy.The effectiveness will be expressed as quality adjusted life years (QALYs) in a cost-utility analysis. QALYs are a composite measure of outcomes where utilities for health states (on 0-1 scale, where 0 corresponds to death and 1 to full health) act as qualitative weights to combine quantity and quality of life. The number of QALYs in each group will be assessed with the EuroQol 5 Dimensions questionnaire (EQ5D). The EQ-5D measures health status in terms of mobility, self-care, usual activities, pain/discomfort and anxiety/depression | 6 months |
| Healthcare cost-effectiveness ratio at 6 months | Assessment of the cost-effectiveness ratio at 6 months between NPWT dressings compared to standard dressings. The criteria of effectiveness used will be; Length of hospital stay, requirement for return to theatre, requirement for critical care and number of dressings used | 6 months |
| Beaumont Hospital | Recruiting | Dublin | Ireland |
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| Mater Misericordiae University Hospital | Recruiting | Dublin | Ireland |
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| St James's Hospital | Recruiting | Dublin | Ireland |
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| Tallaght University Hospital | Recruiting | Dublin | Ireland |
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| University Hospital Galway | Recruiting | Galway | Ireland |
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| Letterkenny University Hospital | Recruiting | Letterkenny | Ireland |
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| University Hospital Limerick | Recruiting | Limerick | Ireland |
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| Sligo University Hospital | Recruiting | Sligo | Ireland |
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| University hospital Kerry | Not yet recruiting | Tralee | Ireland |
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| University Hospital Waterford | Recruiting | Waterford | Ireland |
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| ID | Term |
|---|---|
| D000072836 | Surgical Wound |
| D014946 | Wound Infection |
| D013530 | Surgical Wound Infection |
| ID | Term |
|---|---|
| D014947 | Wounds and Injuries |
| D007239 | Infections |
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D054843 | Negative-Pressure Wound Therapy |
| ID | Term |
|---|---|
| D004322 | Drainage |
| D013812 | Therapeutics |
| D013514 | Surgical Procedures, Operative |
| D058106 | Wound Closure Techniques |
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