Development of a patch antenna array RF coil for ultra-high field MRI.

{
  "study_type": "engineering",
  "exposure": {
    "band": "RF",
    "source": "MRI RF coil",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Monkey (brain imaging)",
  "sample_size": null,
  "outcomes": [
    "RF coil design/performance for ultra-high-field MRI",
    "Imaging utility/feasibility (artifact reduction/coil utility)"
  ],
  "main_findings": "The authors developed a patch antenna array coil (PAAC) for 7T proton MR imaging and used it to image a monkey brain, confirming its utility as an RF coil for ultra-high-field MR imaging.",
  "effect_direction": "unclear",
  "limitations": [
    "No quantitative performance metrics or comparisons are provided in the abstract.",
    "Sample size and experimental details (e.g., imaging parameters, artifact measures) are not stated.",
    "No RF exposure metrics (e.g., frequency, SAR) are reported in the abstract."
  ],
  "evidence_strength": "insufficient",
  "confidence": 0.66,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "RF coil",
    "patch antenna array coil",
    "PAAC",
    "7T",
    "ultra-high-field MRI",
    "proton MR imaging",
    "dielectric effect",
    "artifacts",
    "monkey brain"
  ],
  "suggested_hubs": [
    {
      "slug": "mri-rf-coils",
      "weight": 0.9,
      "reason": "Engineering development of an RF coil (patch antenna array) for 7T MRI."
    }
  ]
}