Here are references relating sleep apnea and other causes of hypoxia to hyperuricemia and gout.
[1] Abrams, B. The Perils of Sleep Apnea - an Undiagnosed Epidemic, iUniverse, 2007, available at amazon
[2] Abrams, B. "Gout Is an Indicator of Sleep Apnea," Journal SLEEP 28(2), Feb 2005, p. 275.
[3] Saunders NA, Sullivan CE. Sleep and Breathing, second edition, Informa Healthcare, 1993.
[4] Grum, CM. "Cells in Crisis: Cellular Bioenergenics and Inadequate Oxygenation in the Intensive Care Unit," Chest 102(2), 1992, pp. 329-30.
[5] Hasday JD, Grum CM. "Nocturnal Increase of Urinary Uric Acid:Creatine Ratio: a Biological Correlate of Sleep-Associated Hypoxemia," American Review of Respiratory Diseases 135, 1987, pp.534-38.
[6] Plywaczewski, R., et al. "Hyperuricemia in Males with Obstructive Sleep Apnea (OSA)," Pneumonol Alergol Pol. 73(3) 2005, pp. 254-259.
[7] Plywaczewski, R., et al. "Hyperuricemia in Females with Obstructive Sleep Apnea," Pneumonol Alergol Pol. 74(2) 2006, pp. 159-165.
[8] Ruiz Garcia, A., et al, "Blood Uric Acid Levels in Patients with Sleep-Disordered Breathing." Archivos de Bronconeumologia 42 (10), October 2006, pp. 492-500.
[9] McKeon, JL., et al. "Urinary Uric Acid with Obstructive Sleep Apnea," American Review of Respiratory Diseases 142 (1), 1990, pp. 8-13.
[10] Saito, H., et al, "Tissue Hypoxia in Sleep Apnea Syndrome as Assessed by Uric Acid and Adenosine," Chest 121 (55), November 1, 2002, pp. 1686-1694.
[11] Sahebjani, H., "Changes in Urinary Uric Acid Excretion in Obstructive Sleep Apnea Before and After Therapy with Nasal Continuous Positive Airway Pressure," Chest 113(6), 1998, pp. 1604-1608.
[12] Du, X., et al. "Significance of the Changes of Urinary Uric Acid in OSAHS Before and After UPPP," Lin Chuang Er Bi Hou Ke Za Zhi 19(1

, Sept. 2005, pp. 826-827.
[13] Garcia Panchon, E., et al, "Uric Acid and Its Relationship to Creatinine Levels and Hypoxia," Archivos de Bronconeumologia 43 (9), September 2007, p. 523.
[14] Schafer, H., et al, "Body Fat Distribution, Serum Leptin, and Cardiovascular Risk Factors in Men with Obstructive Sleep Apnea (Clinical Investigations)," Chest, Sept. 2002, pp. 829-839.
[15] Silverberg, DS., et al, "Treating Obstructive Sleep Apnea Improves Essential Hypertension and Quality of Life," American Family Physician, Jan. 15, 2002, pp. 229-240.
[16] Brown, LK., "A Waist Is a Terrible Thing to Mind: Central Obesity, the Metabolic Syndrome, and Sleep Apnea Hypopnea Syndrome (editorial)," Chest, Sept. 2002, pp. 774-778.
[17] Jefferson, JA, et al, "Hyperuricemia, hypertension, and proteinuria associated with high-altitude polycythemia," American Journal of Kidney Diseases 39 (6), June 2002, pp. 1135-1142.
[18] Khokhar, N., "Hyperuricemia and Gout in Secondary Polycythemia Due to Chronic Obstructive Pulmonary Disease," Journal of Rheumatology 7(1), Jan.-Feb. 1980, pp. 114-116.
[19] Khokhar, N., "Gouty Arthritis in Chronic Obstructive Pulmonary Disease," Archives of Internal Medicine 142(4), Apr. 1982, p. 838.
[20] Verhulst, SL, et al, "Sleep-disordered Breathing and Uric Acid in Overweight and Obese Children and Adolescents," Chest, May 15, 2007.
These references are listed at my website, along with the tale of my own experience with sleep apnea and gout. But when I have previously tried to post the website address on this forum, the forum administrator bounced it off, thinking that it might be advertising something. It isn't.