Florida Pouch
The Florida pouch is a continent cutaneous reservoir made from detubularized right colon, emptied through a doubly plicated distal ileal outlet reinforced at the ileocecal valve. Lockhart, Pow-Sang and colleagues developed the procedure at the University of South Florida beginning in 1986. The group's experience helped establish direct, nontunneled ureterocolonic implantation as an option in a low-pressure reservoir.[1][2][3]
Its evidence base is predominantly historical, uncontrolled institutional experience. Early continence and reoperation results should not be interpreted as proof that it has fewer complications than other continent diversions.
Selection and Operative Principles
As with other continent cutaneous reservoirs, the patient needs suitable bowel, sufficient renal and hepatic reserve, and a sustainable plan for intermittent catheterization. Discuss the demands of catheterization and mucus management alongside conduit and orthotopic alternatives. Age alone is not a reason to select or exclude a reservoir.[4][5]
| Component | Description |
|---|---|
| Storage reservoir | Extended right colon opened and reconfigured to reduce storage pressure. Detubularization reduces coordinated contraction but does not eliminate bowel activity. |
| Catheterizable outlet | Distal ileum narrowed by double-row plication, with reinforcement at the ileocecal valve. The construction must provide resistance to leakage while allowing reliable catheter passage. |
| Ureteral anastomoses | The early series included tunneled techniques; subsequent experience used direct mucosa-to-mucosa ureterocolonic implantation. |
| Abdominal stoma | A catheterizable outlet requiring attention to reach, blood supply, alignment and the patient's access. |
The operative sequence is bowel isolation with preservation of its vascular supply, restoration of ileocolic continuity, reservoir reconfiguration, ureteral implantation, outlet construction and secure initial drainage. Exact segment dimensions, channel calibration, stoma configuration and catheter duration depend on the chosen modification and intraoperative findings; the historical reports are not a universal postoperative protocol.[1][3][6]
Primary Construction and Conversion
Florida pouch I describes the right-colon reservoir construction. Florida pouch II describes a conversion that preserves a usable pre-existing conduit and functioning ureteroenteric anastomoses, incorporating that bowel into the new reservoir. Other conversions discard the old conduit or use it as a patch with new implantation. The operative plan therefore depends on conduit condition, renal drainage and the existing anastomoses.[7]
Pow-Sang's 1992 report included 20 conversions, with both Florida I and II approaches. Patients reported improved quality of life, but this uncontrolled report did not establish comparative benefit or a universal continence rate. Pre-existing obstruction was important: five of seven previously obstructed renal units failed to recover after reimplantation. Preserving a functioning anastomosis is different from leaving a diseased or obstructed unit unaddressed.[7]
Conversion may increase the amount of bowel excluded from gastrointestinal function. In Webster's later cohort, seven of 12 patients converted from another diversion had metabolic alterations. This small subgroup supports careful metabolic surveillance, not a universal 58% risk for every Florida II reconstruction.[3]
Functional Results and Their Limits
| Study | Population and follow-up | Findings |
|---|---|---|
| Lockhart 1990 | 92 operated; 65 followed for 6–46 months, mean 17 months | 63/65 continent between catheterizations; four required reoperation. The approximately 6% reoperation figure belongs to this early follow-up.[1] |
| Lockhart 1991 | Expanded institutional report of 107 patients | Seven reoperations were reported. Serial urodynamic stability at 3–4 years was assessed in only six patients.[6] |
| Webster 2003 | 179 originally operated during 1986–1991; 105 died of primary disease or were lost, leaving 74 for analysis | Mean follow-up 133 months; five had incontinence. This selected long-term cohort does not establish a 6% long-term reoperation rate.[3] |
In the first series, urodynamics in 28 patients showed mean capacity 747 mL and mean maximum reservoir pressure 35 cm H₂O, with wide ranges. These are study observations, not normal-pressure criteria or instructions to permit filling to 1,200 mL.[1] Catheterization must be individualized to output, capacity, pressure and drainage; the early reports used 4–6-hour intervals. New leakage should prompt assessment of storage and outlet function rather than automatic tightening of the channel.[1][8]
A 13-patient pilot comparing plicated and flap-valve outlets included only successfully functioning reservoirs and had different follow-up in the groups. It provides descriptive urodynamics, not evidence that one outlet should routinely replace the other.[8]
Direct Versus Tunneled Ureteral Implantation
Helal's 1993 experience included 165 patients with 326 directly implanted ureters within a 190-patient Florida-pouch cohort. Obstruction occurred in 16/326 directly implanted ureters (4.9%), compared with 4/30 earlier tunneled implants (13.3%). The sequential, nonrandomized comparison is affected by selection and technical evolution.[2]
Reflux was observed in 23 direct implants (7%), without demonstrated deterioration during the reported conservative follow-up. This does not mean reflux can always be ignored: symptoms, pressure, emptying, obstruction and upper-tract function still require assessment. Three of six plicated megaureters with direct implantation obstructed; that small subgroup should not be described as a result independent of implantation technique.[2]
Obstruction and revision
Suspected obstruction requires assessment of renal drainage and salvageable function. Helal's historical trans-reservoir revision report treated five ureteral anastomoses after failed balloon dilation and stenting. All drained adequately at follow-up of up to 45 months. It demonstrates an operative access option, not a guarantee of success or a mandatory sequence for all strictures.[9] See Upper Tract Reconstruction Principles.
Long-Term Complications
Webster's 74-patient cohort had mean follow-up of 133 months. Patient-based outcomes and ureter-based outcomes have different denominators.[3]
| Outcome | Observed count |
|---|---|
| Peristomal hernia | 3/74 patients |
| Incontinence | 5/74 |
| Stomal stenosis | 3/74 |
| Difficult catheterization | 1/74 |
| Reservoir stones | 4/74 |
| Persistent diarrhea | 2/74 |
| Renal failure | 2/74 |
| Low B12 | 3/74 |
| Severe acidosis | 4/74 |
| Obstruction after primary ureteral implantation | 7/108 ureters |
| Obstruction after repeat implantation | 4/24 ureters |
| Obstruction in irradiated ureters | 4/14 ureters |
Irradiated ureters had more obstruction than primary implants in this selected series (reported p = 0.02). The result is clinically relevant for counseling and follow-up, but the small subgroup does not give a precise risk for every irradiated patient.[3]
Relationship to the Miami and Other Right-Colon Pouches
Florida, Indiana and Miami reservoirs share ileocolic tissue and an ileocecal outlet concept, with differences in reservoir reconfiguration, plication and ureteral implantation. They should not be ranked using percentages from unrelated cohorts with different follow-up and definitions.[10][11]
A modern Miami series included 15 patients at median 39 months. Its continence definition required catheterization at intervals of no more than four hours; two patients reported nocturnal leakage when intervals extended to 5–7 hours. This is not unqualified 100% continence.[12] In a separate retrospective comparison, continence was 11/14 for Miami versus 12/17 for ileal Mitrofanoff/Monti reservoirs, while cutaneous-tube stenosis occurred in one versus eight patients. The small, nonrandomized comparison does not establish overall superiority.[13]
For the relevant construction, see Indiana Pouch, Right Colon Pouch, Mainz Pouch I, and Kock Pouch.
Follow-up
Lifelong functional follow-up should address catheterization, continence, stoma condition, stones, renal drainage, acid–base status and bowel symptoms. New difficulty catheterizing, pain, fever or impaired drainage warrants assessment. Following cancer cystectomy, AUA recommends laboratory assessment every 3–6 months for 2–3 years and annually thereafter; EAU recommends annual B12 measurement following bowel diversion. Increase monitoring when renal or metabolic abnormalities are present.[5][14]
Do not treat asymptomatic bacteriuria solely because the reservoir is colonized. Obtain cultures for clinical indications and manage exceptions such as planned mucosa-breaching urological procedures appropriately.[15] Cancer follow-up should reflect the original disease, separately from lifelong reservoir surveillance.
See Urinary Diversion Principles, Vitamin B12 Supplementation, Urinary Acidifiers and Alkalinizers, and Mucus Management.
References
1. Lockhart JL, Pow-Sang JM, Persky L, et al. "A Continent Colonic Urinary Reservoir: The Florida Pouch." J Urol. 1990;144(4):864–7. doi:10.1016/s0022-5347(17)39610-6
2. Helal M, Pow-Sang J, Sanford E, Figueroa E, Lockhart J. "Direct (Nontunneled) Ureterocolonic Reimplantation in Association With Continent Reservoirs." J Urol. 1993;150(3):835–7. doi:10.1016/s0022-5347(17)35626-4
3. Webster C, Bukkapatnam R, Seigne JD, et al. "Continent Colonic Urinary Reservoir (Florida Pouch): Long-Term Surgical Complications (Greater Than 11 Years)." J Urol. 2003;169(1):174–6. doi:10.1016/S0022-5347(05)64061-X
4. European Association of Urology. EAU Guidelines on Muscle-invasive and Metastatic Bladder Cancer. 2026. Urinary diversion, section 6.7.5. Guideline.
5. American Urological Association / ASCO / ASTRO / SUO. Treatment of Non-Metastatic Muscle-Invasive Bladder Cancer. 2024 amendment. Statements 13–14 and 31–32 and discussions. Guideline.
6. Lockhart JL, Pow-Sang JM, Persky L, Sanford E, Helal M. Results, complications and surgical indications of the Florida pouch. Surg Gynecol Obstet. 1991;173(4):289–296. PMID:1925899.
7. Pow-Sang JM, Helal M, Figueroa E, et al. "Conversion From External Appliance Wearing or Internal Urinary Diversion to a Continent Urinary Reservoir (Florida Pouch I and II): Surgical Technique, Indications and Complications." J Urol. 1992;147(2):356–60. doi:10.1016/s0022-5347(17)37236-1
8. Masel JL, Austin PF, Spyropoulos E, et al. "Evaluation of Flap Valve as an Alternative Continence Mechanism in the Florida Pouch." Urology. 1999;53(3):506–9. doi:10.1016/s0090-4295(98)00566-4
9. Helal MA, Figueroa TE, Pow-Sang J, Sanford E, Lockhart JL. A trans-reservoir technique for correction of ureterointestinal obstruction in continent urinary diversion. J Urol. 1995;153(4):1108–1109. doi:10.1016/S0022-5347(01)67521-9. PMID:7869474.
10. Farnham SB, Cookson MS. "Surgical Complications of Urinary Diversion." World J Urol. 2004;22(3):157–67. doi:10.1007/s00345-004-0429-5
11. Fisch M, Thüroff JW. "Continent Cutaneous Diversion." BJU Int. 2008;102(9 Pt B):1314–9. doi:10.1111/j.1464-410X.2008.07976.x
12. Baboudjian M, Gondran-Tellier B, Michel F, et al. "Miami Pouch: A Simple Technique for Efficient Continent Cutaneous Urinary Diversion." Urology. 2021;152:178–83. doi:10.1016/j.urology.2021.02.004
13. Pattou M, Baboudjian M, Pinar U, et al. "Continent Cutaneous Urinary Diversion With an Ileal Pouch With the Mitrofanoff Principle Versus a Miami Pouch in Patients Undergoing Cystectomy for Bladder Cancer: Results of a Comparative Study." World J Urol. 2022;40(5):1159–65. doi:10.1007/s00345-022-03954-z
14. European Association of Urology. EAU Guidelines on Muscle-invasive and Metastatic Bladder Cancer. 2026. Functional follow-up, section 7.4. Guideline.
15. European Association of Urology. EAU Guidelines on Urological Infections. 2026. Reconstructed lower urinary tracts and asymptomatic bacteriuria, sections 3.3.5.d.5 and 3.3.7. Guideline.