A high rate of HBV reactivation was observed in HBsAg-negative, anti-HBc-positive patients undergoing rituximab-containing chemotherapy, with the risk of reactivation significantly higher in anti-HBs-negative patients. Periodic HBV DNA monitoring was an effective strategy in preventing HBV-related complications.

HBsAg-negative, anti-HBc-positive patients had a high rate of HBV reactivation after allogeneic HSCT, with determinants of HBV reactivation including age ≥50 years and chronic graft-versus-host disease; treatment strategies based on these parameters may prevent HBV reactivation and subsequent complications. (ClinicalTrials.gov identifier NCT01481649.) (Hepatology 2017;65:1451-1461).

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For patients with relapsed APL, As O remained effective despite repeated As O exposures. Oral As O maintenance was an effective postremission strategy for CR2. Cancer 2018;124:2316-26. © 2018 American Cancer Society.

Serum HBcrAg positivity is a significant risk factor of HBV reactivation in HBsAg-negative, anti-HBc-positive patients undergoing high-risk immunosuppressive therapy and can potentially have a role in identifying patients who will best benefit from prophylactic nucleoside analogue treatment.

REFERENCES1. D.M.J. Devasirvatham, Time delay spread measurements of wideband radio signals within a building, Electron Lett 20 (1984), 950 -951. 2. D.M.J. Devasirvatham, Time delay spread and signal level measurements of 850 MHz radio waves in building environments, IEEE Trans Antennas Propagat AP-34, pp. 1330 -1335, Nov. 1986. 3. A.A.M. Saleh and R.A. Valenzuela, A statistical model for indoor multipath propagation, IEEE J Select Areas Commun SAC-5 (1987), 138 -145. 4. D.M.J. Devasirvatham, Multipath time delay spread in the digital portable radio environment, IEEE Commun Mag 25 (1987), 13-21. 5. T.S. Rappaport, Characterization of UHF multipath radio propagation inside factory buildings, ABSTRACT: Array antennas mounted on aircraft, ships, or any other complex platform suffer from mutual coupling and coupling with the platform in the transmission or reception of electromagnetic waves. These coupling effects affect the estimation of the direction of arrival (DOA) of plane waves performed with on-board antennas. With the use of the method of moments (MoM) to model these electromagnetic (EM) coupling terms, closed-matrix expressions for the Cramer-Rao bound (CRB) are obtained for on-board array antennas considering both mutual coupling and platform coupling effects. Some significant differences in the CRB have been found when this bound is compared with the same bound calculated in an ideal free coupling environment. Numerical results are shown to illustrate these effects.ABSTRACT: General transmission-line equations based on the theory of differential equations [1] were introduced in [2] and [3]. The equations' dispersion characteristic of a microstrip low-pass filter is studied. The parameters L, C, ␣, and ␤ of general transmission-line equations are found to be almost invariant to frequency in the passband of the microstrip low-pass filter. By restoring current and voltage distributions with the use of equations in both frequency and time domains, the broadband property of these equations on the microstrip low-pass filter is evident.

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