Comparison Between Partial Nephrectomy and Ablation for Renal Tumor
NCT ID: NCT03094949
Last Updated: 2017-03-29
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
200 participants
INTERVENTIONAL
2008-07-01
2017-09-01
Brief Summary
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Detailed Description
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Conditions
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Study Design
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NON_RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Partial Nephrectomy
a kind of operation for renal tumor
Partial Nephrectomy
The renal capsule is cut in a monopolar fashion around the tumor. After the renal artery is clamped with a bulldog clamp, cold cutting by scissors into the renal parenchymal boundary of the tumor is performed with an optimal surgical margin (a few millimeters). After retrograde injection of diluted indigo carmine, continuous suturing of the opened collecting system and transection of the major vessels is performed with intracorporeal knot-tying. Parenchymal suturing is performed in a continuous fashion. The 20-30 cm length of thread is used, and a knot is made at the end of the thread. A large Hem-o-lok polymer clip (Weck Closure System, Research Triangle Park, NC) is attached on the proximal side of the knot. Before the thread is tightened or cinched, the parenchyma is sutured in a running fashion with three or four stitches without any bolster so that the renal bed is kept in its natural position during the suturing.
microwave ablation
a kind of minimally invasive therapy by using microwave device for renal tumors
microwave ablation
Microwave ablation is a technique that uses thermal therapy to induce complete necrosis of tumor in situ by using microwave ablation device.Antenna in the microwave ablation device was percutaneously inserted into the tumor and placed at designated place under US guidance. For tumors less than 1.5 cm, one antenna was inserted and for tumors measuring 1.5 cm or greater, two antennae were inserted in parallel with an inter-antenna distance of 1.0-2.5 cm, which were used simultaneously during MWA to obtain larger ablation zone. A 20G thermocouple was inserted about 0.5-1 cm away from the tumor for real-time temperature monitoring during MWA. MW emission didn't stop until the heat-generated hyperechoic water vapor completely encompassed the entire tumor and the measured temperature reached 60°C or remained above 54°C for at least three minutes.
Interventions
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Partial Nephrectomy
The renal capsule is cut in a monopolar fashion around the tumor. After the renal artery is clamped with a bulldog clamp, cold cutting by scissors into the renal parenchymal boundary of the tumor is performed with an optimal surgical margin (a few millimeters). After retrograde injection of diluted indigo carmine, continuous suturing of the opened collecting system and transection of the major vessels is performed with intracorporeal knot-tying. Parenchymal suturing is performed in a continuous fashion. The 20-30 cm length of thread is used, and a knot is made at the end of the thread. A large Hem-o-lok polymer clip (Weck Closure System, Research Triangle Park, NC) is attached on the proximal side of the knot. Before the thread is tightened or cinched, the parenchyma is sutured in a running fashion with three or four stitches without any bolster so that the renal bed is kept in its natural position during the suturing.
microwave ablation
Microwave ablation is a technique that uses thermal therapy to induce complete necrosis of tumor in situ by using microwave ablation device.Antenna in the microwave ablation device was percutaneously inserted into the tumor and placed at designated place under US guidance. For tumors less than 1.5 cm, one antenna was inserted and for tumors measuring 1.5 cm or greater, two antennae were inserted in parallel with an inter-antenna distance of 1.0-2.5 cm, which were used simultaneously during MWA to obtain larger ablation zone. A 20G thermocouple was inserted about 0.5-1 cm away from the tumor for real-time temperature monitoring during MWA. MW emission didn't stop until the heat-generated hyperechoic water vapor completely encompassed the entire tumor and the measured temperature reached 60°C or remained above 54°C for at least three minutes.
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
ALL
No
Sponsors
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Chinese PLA General Hospital
OTHER
Responsible Party
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Ping Liang
Prof.
Locations
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Chinese PLA General Hospital
Beijing, Beijing Municipality, China
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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301jrcs
Identifier Type: -
Identifier Source: org_study_id
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