This case study is for educational and informational purposes only. Every VA claim is unique, and past outcomes do not guarantee future results.
Overview
Many veterans believe a denial from the VA means their case is over. But for one Navy veteran, persistence, strategy, and strong medical evidence ultimately led to a successful appeal before the Board of Veterans’ Appeals (BVA).
After multiple denials through the VA claims process — including Higher-Level Review and Supplemental Claim stages — the veteran’s obstructive sleep apnea (OSA) claim was finally granted by the Board with a 50% disability evaluation.

This case highlights an important reality many veterans do not realize:
A well-supported nexus opinion can play a critical role in strengthening an appeal.
The Veteran’s Background
The veteran served honorably in the United States Navy for more than 20 years.
Following service, he developed multiple health conditions, including:
• Tinnitus
• Residuals from gallbladder removal surgery (cholecystectomy)
• Acid reflux/GERD
• Obstructive Sleep Apnea requiring CPAP therapy

Despite having a documented diagnosis of sleep apnea and ongoing symptoms, the veteran repeatedly struggled to obtain service connection for OSA through the VA claims process.
The Challenge
Like many veterans, the veteran encountered repeated denials from the VA.
The claim progressed through:
• Initial claim review
• Higher-Level Review (HLR)
• Supplemental Claim review
• Eventually a Board Appeal before a Veterans Law Judge

At the center of the dispute was whether the veteran’s service-connected conditions contributed to or aggravated his obstructive sleep apnea. The VA examiners largely focused on direct causation and argued that tinnitus and sleep apnea were not directly related. However, the veteran’s medical evidence introduced a different and often overlooked theory:
Secondary aggravation.
The Medical Evidence
To strengthen the appeal, the veteran obtained a detailed medical nexus opinion and supporting Disability Benefits Questionnaire (DBQ).
The medical evidence outlined how:
• Chronic tinnitus disrupted restorative sleep
• Repeated nighttime awakenings worsened sleep fragmentation
• Acid reflux and gastrointestinal complications contributed to upper airway irritation and worsening OSA symptoms
• Sleep disruption negatively affected CPAP compliance and overall sleep quality

The nexus opinion also cited peer-reviewed medical literature discussing:
• The relationship between tinnitus and sleep disturbance
• The bidirectional relationship between GERD and sleep apnea
• Mechanisms of aggravation involving chronic sleep disruption and airway inflammation
A formal rebuttal letter was later submitted addressing weaknesses in the VA’s denial rationale and emphasizing the VA regulation governing aggravation under 38 C.F.R. § 3.310(b).
What the Board of Veterans’ Appeals Said
The Board carefully reviewed:
• The DBQ
• The nexus opinion
• The rebuttal evidence
• VA examination reports
• Medical literature
• The veteran’s symptom history

Importantly, the Board specifically discussed the credibility and reasoning contained within the private medical evidence.
The Board ultimately found that:
• The veteran’s tinnitus aggravated his obstructive sleep apnea
• His gastrointestinal residuals and acid reflux also contributed to aggravation
• Reasonable doubt should be resolved in favor of the veteran
The Board granted service connection for obstructive sleep apnea due to aggravation by service-connected tinnitus and cholecystectomy residuals.
The Outcome
The veteran was awarded:
• Service connection for obstructive sleep apnea
• A 50% disability evaluation
• An effective date tied back to the original Intent to File date
The VA rating decision acknowledged that service connection for obstructive sleep apnea had been established.

Key Lessons Veterans Can Learn From This Case
1. A Denial Is Not Always the End
Many valid claims are denied at the initial stages. The VA appeals system exists because errors, incomplete analysis, or overlooked theories can occur during earlier reviews.
2. Medical Evidence Matters
The Board gave significant weight to detailed rationale, veteran-specific analysis, supporting medical literature, and logical explanations connecting symptoms and conditions.
3. Aggravation Is Often Overlooked
Many veterans only focus on whether one condition directly caused another. VA law also recognizes conditions that aggravate or worsen another disability.
4. Persistence Can Pay Off
This veteran continued fighting through multiple levels of review before ultimately succeeding at the Board level.

Final Thoughts
This case demonstrates why veterans should not automatically give up after a denial. The VA claims process can be complex, especially for conditions like sleep apnea that often involve multiple contributing factors.
Well-developed medical evidence, thoughtful claim strategy, and persistence can make a significant difference during the appeals process. At Vet Claim Solutions along with Attain Med Group, our mission is to help veterans better understand their options and strengthen their claims through education, strategy, and evidence-based support.
Because sometimes the first VA decision is not the final answer.

Educational Disclaimer: Vet Claim Solutions is not a law firm and does not provide legal representation. Attain Med Group provides independent medical evaluations and medical opinion services. Outcomes vary based on the facts and evidence of each individual case.

